From 774c8ecd92f560a170e23303abbde4b547e955c8 Mon Sep 17 00:00:00 2001
From: Jeffrey <9938813+Raphire@users.noreply.github.com>
Date: Fri, 27 Mar 2026 20:33:24 +0100
Subject: [PATCH] Add ability to export/import settings configuration (#522)

---
 Schemas/AboutWindow.xaml                 |   2 +-
 Schemas/ApplyChangesWindow.xaml          |   2 +-
 Schemas/ImportExportConfigWindow.xaml    |  77 +++++
 Schemas/MainWindow.xaml                  |  23 ++
 Schemas/MessageBoxWindow.xaml            |   2 +-
 Scripts/FileIO/SaveSettings.ps1          |   5 +-
 Scripts/FileIO/SaveToFile.ps1            |  19 ++
 Scripts/GUI/Show-AboutDialog.ps1         |  19 +-
 Scripts/GUI/Show-ApplyModal.ps1          |  17 +-
 Scripts/GUI/Show-ConfigWindow.ps1        | 389 +++++++++++++++++++++++
 Scripts/GUI/Show-MainWindow.ps1          |  33 ++
 Scripts/GUI/Show-MessageBox.ps1          |  17 +-
 Scripts/Get.ps1                          |   1 +
 Scripts/Helpers/ImportConfigToParams.ps1 | 127 ++++++++
 Win11Debloat.ps1                         |  24 +-
 15 files changed, 726 insertions(+), 31 deletions(-)
 create mode 100644 Schemas/ImportExportConfigWindow.xaml
 create mode 100644 Scripts/FileIO/SaveToFile.ps1
 create mode 100644 Scripts/GUI/Show-ConfigWindow.ps1
 create mode 100644 Scripts/Helpers/ImportConfigToParams.ps1

diff --git a/Schemas/AboutWindow.xaml b/Schemas/AboutWindow.xaml
index bcbe2a5..cdca135 100644
--- a/Schemas/AboutWindow.xaml
+++ b/Schemas/AboutWindow.xaml
@@ -8,7 +8,7 @@
         WindowStyle="None"
         AllowsTransparency="True"
         Background="Transparent"
-        Topmost="True"
+        Topmost="False"
         ShowInTaskbar="False">
 
     <Border BorderBrush="{DynamicResource BorderColor}" 
diff --git a/Schemas/ApplyChangesWindow.xaml b/Schemas/ApplyChangesWindow.xaml
index bf68687..6d7ebb5 100644
--- a/Schemas/ApplyChangesWindow.xaml
+++ b/Schemas/ApplyChangesWindow.xaml
@@ -8,7 +8,7 @@
         WindowStyle="None"
         AllowsTransparency="True"
         Background="Transparent"
-        Topmost="True"
+        Topmost="False"
         ShowInTaskbar="False">
 
     <Border BorderBrush="{DynamicResource BorderColor}" 
diff --git a/Schemas/ImportExportConfigWindow.xaml b/Schemas/ImportExportConfigWindow.xaml
new file mode 100644
index 0000000..17617c7
--- /dev/null
+++ b/Schemas/ImportExportConfigWindow.xaml
@@ -0,0 +1,77 @@
+<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="Select Settings to Import/Export"
+        Width="440"
+        SizeToContent="Height"
+        MaxHeight="501"
+        ResizeMode="NoResize"
+        WindowStartupLocation="CenterOwner"
+        WindowStyle="None"
+        AllowsTransparency="True"
+        Background="Transparent"
+        Topmost="False"
+        ShowInTaskbar="False">
+
+    <Border BorderBrush="{DynamicResource BorderColor}"
+            BorderThickness="1"
+            CornerRadius="8"
+            Background="{DynamicResource CardBgColor}"
+            Margin="25">
+        <Border.Effect>
+            <DropShadowEffect Color="Black"
+                              Opacity="0.15"
+                              BlurRadius="20"
+                              ShadowDepth="0"
+                              Direction="0"/>
+        </Border.Effect>
+
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="*"/>
+                <RowDefinition Height="Auto"/>
+            </Grid.RowDefinitions>
+
+            <!-- Title Bar -->
+            <Grid Grid.Row="0" x:Name="TitleBar" Height="40" Background="Transparent">
+                <TextBlock x:Name="TitleText"
+                           Foreground="{DynamicResource FgColor}"
+                           FontSize="16"
+                           FontWeight="SemiBold"
+                           VerticalAlignment="Center"
+                           Margin="16,0,0,0"/>
+            </Grid>
+
+            <!-- Content -->
+            <StackPanel Grid.Row="1" x:Name="ContentPanel" Margin="20,12,20,9">
+                <TextBlock x:Name="PromptText"
+                           TextWrapping="Wrap"
+                           FontSize="14"
+                           LineHeight="20"
+                           Foreground="{DynamicResource FgColor}"
+                           Margin="0,0,0,14"/>
+                <!-- Checkboxes are added dynamically at runtime -->
+                <StackPanel x:Name="CheckboxPanel"/>
+            </StackPanel>
+
+            <!-- Button Footer -->
+            <Border Grid.Row="2"
+                    Background="{DynamicResource BgColor}"
+                    BorderBrush="{DynamicResource BorderColor}"
+                    BorderThickness="0,1,0,0"
+                    Padding="16,12"
+                    CornerRadius="0,0,8,8">
+                <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
+                    <Button x:Name="OkButton"
+                            Content="OK"
+                            Height="32" MinWidth="80" Margin="4,0"
+                            Style="{DynamicResource PrimaryButtonStyle}"/>
+                    <Button x:Name="CancelButton"
+                            Content="Cancel"
+                            Height="32" MinWidth="80" Margin="4,0"
+                            Style="{DynamicResource SecondaryButtonStyle}"/>
+                </StackPanel>
+            </Border>
+        </Grid>
+    </Border>
+</Window>
diff --git a/Schemas/MainWindow.xaml b/Schemas/MainWindow.xaml
index 7b81645..559fd74 100644
--- a/Schemas/MainWindow.xaml
+++ b/Schemas/MainWindow.xaml
@@ -649,6 +649,29 @@
                             <Button x:Name="MenuBtn" Content="&#xE700;" FontFamily="Segoe Fluent Icons" FontSize="15" Style="{StaticResource TitlebarButton}" ToolTip="Options" AutomationProperties.Name="Options">
                                 <Button.ContextMenu>
                                     <ContextMenu x:Name="MainMenu">
+                                        <ContextMenu.Resources>
+                                            <Style x:Key="{x:Static MenuItem.SeparatorStyleKey}" TargetType="Separator">
+                                                <Setter Property="Margin" Value="4,6"/>
+                                                <Setter Property="Template">
+                                                    <Setter.Value>
+                                                        <ControlTemplate TargetType="Separator">
+                                                            <Border Height="1" Background="{DynamicResource BorderColor}" SnapsToDevicePixels="True" HorizontalAlignment="Stretch"/>
+                                                        </ControlTemplate>
+                                                    </Setter.Value>
+                                                </Setter>
+                                            </Style>
+                                        </ContextMenu.Resources>
+                                        <MenuItem x:Name="ImportConfigBtn" Header="Import config" AutomationProperties.Name="Import configuration">
+                                            <MenuItem.Icon>
+                                                <TextBlock Text="&#xe838;" FontFamily="Segoe Fluent Icons" FontSize="16" Foreground="{DynamicResource FgColor}"/>
+                                            </MenuItem.Icon>
+                                        </MenuItem>
+                                        <MenuItem x:Name="ExportConfigBtn" Header="Export config" AutomationProperties.Name="Export configuration">
+                                            <MenuItem.Icon>
+                                                <TextBlock Text="&#xe74e;" FontFamily="Segoe Fluent Icons" FontSize="16" Foreground="{DynamicResource FgColor}"/>
+                                            </MenuItem.Icon>
+                                        </MenuItem>
+                                        <Separator />
                                         <MenuItem x:Name="MenuDocumentation" Header="Documentation" AutomationProperties.Name="Documentation">
                                             <MenuItem.Icon>
                                                 <TextBlock Text="&#xe736;" FontFamily="Segoe MDL2 Assets" FontSize="16" Foreground="{DynamicResource FgColor}"/>
diff --git a/Schemas/MessageBoxWindow.xaml b/Schemas/MessageBoxWindow.xaml
index 0525a9f..a6a7f88 100644
--- a/Schemas/MessageBoxWindow.xaml
+++ b/Schemas/MessageBoxWindow.xaml
@@ -9,7 +9,7 @@
         WindowStyle="None"
         AllowsTransparency="True"
         Background="Transparent"
-        Topmost="True"
+        Topmost="False"
         ShowInTaskbar="False">
 
     <Border BorderBrush="{DynamicResource BorderColor}" 
diff --git a/Scripts/FileIO/SaveSettings.ps1 b/Scripts/FileIO/SaveSettings.ps1
index 4970ab9..730808b 100644
--- a/Scripts/FileIO/SaveSettings.ps1
+++ b/Scripts/FileIO/SaveSettings.ps1
@@ -16,10 +16,7 @@ function SaveSettings {
         }
     }
 
-    try {
-        $settings | ConvertTo-Json -Depth 10 | Set-Content $script:SavedSettingsFilePath
-    }
-    catch {
+    if (-not (SaveToFile -Config $settings -FilePath $script:SavedSettingsFilePath)) {
         Write-Output ""
         Write-Host "Error: Failed to save settings to LastUsedSettings.json file" -ForegroundColor Red
     }
diff --git a/Scripts/FileIO/SaveToFile.ps1 b/Scripts/FileIO/SaveToFile.ps1
new file mode 100644
index 0000000..dcf9cce
--- /dev/null
+++ b/Scripts/FileIO/SaveToFile.ps1
@@ -0,0 +1,19 @@
+# Saves configuration JSON to a file.
+# Returns $true on success, $false on failure.
+function SaveToFile {
+    param (
+        [Parameter(Mandatory=$true)]
+        [hashtable]$Config,
+
+        [Parameter(Mandatory=$true)]
+        [string]$FilePath
+    )
+
+    try {
+        $Config | ConvertTo-Json -Depth 10 | Set-Content -Path $FilePath -Encoding UTF8
+        return $true
+    }
+    catch {
+        return $false
+    }
+}
diff --git a/Scripts/GUI/Show-AboutDialog.ps1 b/Scripts/GUI/Show-AboutDialog.ps1
index 71d5ce2..562b38c 100644
--- a/Scripts/GUI/Show-AboutDialog.ps1
+++ b/Scripts/GUI/Show-AboutDialog.ps1
@@ -40,7 +40,7 @@ function Show-AboutDialog {
         }
         catch { }
     }
-    
+
     # Apply theme resources
     SetWindowThemeResources -window $aboutWindow -usesDarkMode $usesDarkMode
     
@@ -83,13 +83,16 @@ function Show-AboutDialog {
     })
     
     # Show dialog
-    $aboutWindow.ShowDialog() | Out-Null
-    
-    # Hide overlay after dialog closes
-    if ($overlay) {
-        try {
-            $ownerWindow.Dispatcher.Invoke([action]{ $overlay.Visibility = 'Collapsed' })
+    try {
+        $aboutWindow.ShowDialog() | Out-Null
+    }
+    finally {
+        # Hide overlay after dialog closes
+        if ($overlay) {
+            try {
+                $ownerWindow.Dispatcher.Invoke([action]{ $overlay.Visibility = 'Collapsed' })
+            }
+            catch { }
         }
-        catch { }
     }
 }
\ No newline at end of file
diff --git a/Scripts/GUI/Show-ApplyModal.ps1 b/Scripts/GUI/Show-ApplyModal.ps1
index c29620a..c1a6fce 100644
--- a/Scripts/GUI/Show-ApplyModal.ps1
+++ b/Scripts/GUI/Show-ApplyModal.ps1
@@ -242,13 +242,16 @@ function Show-ApplyModal {
     })
     
     # Show dialog
-    $applyWindow.ShowDialog() | Out-Null
-    
-    # Hide overlay after dialog closes
-    if ($overlay) {
-        try {
-            $ownerWindow.Dispatcher.Invoke([action]{ $overlay.Visibility = 'Collapsed' })
+    try {
+        $applyWindow.ShowDialog() | Out-Null
+    }
+    finally {
+        # Hide overlay after dialog closes
+        if ($overlay) {
+            try {
+                $ownerWindow.Dispatcher.Invoke([action]{ $overlay.Visibility = 'Collapsed' })
+            }
+            catch { }
         }
-        catch { }
     }
 }
diff --git a/Scripts/GUI/Show-ConfigWindow.ps1 b/Scripts/GUI/Show-ConfigWindow.ps1
new file mode 100644
index 0000000..93d4126
--- /dev/null
+++ b/Scripts/GUI/Show-ConfigWindow.ps1
@@ -0,0 +1,389 @@
+function Show-ImportExportConfigWindow {
+    param (
+        [System.Windows.Window]$Owner,
+        [bool]$UsesDarkMode,
+        [string]$Title,
+        [string]$Prompt,
+        [string[]]$Categories = @('Applications', 'System Tweaks', 'Deployment Settings'),
+        [string[]]$DisabledCategories = @()
+    )
+
+    # Show overlay on owner window
+    $overlay = $null
+    $overlayWasAlreadyVisible = $false
+    try {
+        $overlay = $Owner.FindName('ModalOverlay')
+        if ($overlay) {
+            $overlayWasAlreadyVisible = ($overlay.Visibility -eq 'Visible')
+            if (-not $overlayWasAlreadyVisible) {
+                $Owner.Dispatcher.Invoke([action]{ $overlay.Visibility = 'Visible' })
+            }
+        }
+    } catch { }
+
+    # Load XAML from schema file
+    $schemaPath = $script:ImportExportConfigSchema
+
+    if (-not $schemaPath -or -not (Test-Path $schemaPath)) {
+        Show-MessageBox -Message 'Import/Export window schema file could not be found.' -Title 'Error' -Button 'OK' -Icon 'Error' -Owner $Owner | Out-Null
+        if ($overlay -and -not $overlayWasAlreadyVisible) {
+            try { $Owner.Dispatcher.Invoke([action]{ $overlay.Visibility = 'Collapsed' }) } catch { }
+        }
+        return $null
+    }
+
+    $xaml = Get-Content -Path $schemaPath -Raw
+    $reader = [System.Xml.XmlReader]::Create([System.IO.StringReader]::new($xaml))
+    try {
+        $dlg = [System.Windows.Markup.XamlReader]::Load($reader)
+    }
+    finally {
+        $reader.Close()
+    }
+
+    $dlg.Owner = $Owner
+    SetWindowThemeResources -window $dlg -usesDarkMode $UsesDarkMode
+
+    # Copy the CheckBox default style from the main window so checkboxes get the themed template
+    try {
+        $mainCheckBoxStyle = $Owner.FindResource([type][System.Windows.Controls.CheckBox])
+        if ($mainCheckBoxStyle) {
+            $dlg.Resources.Add([type][System.Windows.Controls.CheckBox], $mainCheckBoxStyle)
+        }
+    } catch { }
+
+    # Populate named elements
+    $dlg.Title = $Title
+    $dlg.FindName('TitleText').Text = $Title
+    $dlg.FindName('PromptText').Text = $Prompt
+
+    $titleBar = $dlg.FindName('TitleBar')
+    $titleBar.Add_MouseLeftButtonDown({ $dlg.DragMove() })
+
+    # Add a themed checkbox per category
+    $checkboxPanel = $dlg.FindName('CheckboxPanel')
+    $checkboxes = @{}
+    foreach ($cat in $Categories) {
+        $cb = New-Object System.Windows.Controls.CheckBox
+        $cb.Content = $cat
+        $cb.IsChecked = $true
+        $cb.Margin = [System.Windows.Thickness]::new(0,0,0,8)
+        $cb.FontSize = 14
+        $cb.Foreground = $dlg.FindResource('FgColor')
+        if ($DisabledCategories -contains $cat) {
+            $cb.IsChecked = $false
+            $cb.IsEnabled = $false
+            $cb.Opacity = 0.65
+            $cb.ToolTip = 'No selected settings available in this category.'
+        }
+        $checkboxPanel.Children.Add($cb) | Out-Null
+        $checkboxes[$cat] = $cb
+    }
+
+    $okBtn = $dlg.FindName('OkButton')
+    $cancelBtn = $dlg.FindName('CancelButton')
+    $okBtn.Add_Click({ $dlg.Tag = 'OK'; $dlg.Close() })
+    $cancelBtn.Add_Click({ $dlg.Tag = 'Cancel'; $dlg.Close() })
+
+    # Handle Escape key
+    $dlg.Add_KeyDown({
+        param($s, $e)
+        if ($e.Key -eq 'Escape') { $dlg.Tag = 'Cancel'; $dlg.Close() }
+    })
+
+    try {
+        $dlg.ShowDialog() | Out-Null
+    }
+    finally {
+        # Hide overlay
+        if ($overlay -and -not $overlayWasAlreadyVisible) {
+            try { $Owner.Dispatcher.Invoke([action]{ $overlay.Visibility = 'Collapsed' }) } catch { }
+        }
+    }
+
+    if ($dlg.Tag -ne 'OK') { return $null }
+
+    $selected = @()
+    foreach ($cat in $Categories) {
+        if ($checkboxes[$cat].IsEnabled -and $checkboxes[$cat].IsChecked) { $selected += $cat }
+    }
+    if ($selected.Count -eq 0) { return $null }
+    return $selected
+}
+
+function Get-SelectedApplications {
+    param (
+        [System.Windows.Controls.Panel]$AppsPanel
+    )
+
+    $selectedApps = @()
+    foreach ($child in $AppsPanel.Children) {
+        if ($child -is [System.Windows.Controls.CheckBox] -and $child.IsChecked) {
+            $selectedApps += $child.Tag
+        }
+    }
+
+    return $selectedApps
+}
+
+function Get-SelectedTweakSettings {
+    param (
+        [System.Windows.Window]$Owner,
+        [hashtable]$UiControlMappings
+    )
+
+    $tweakSettings = @()
+    if (-not $UiControlMappings) {
+        return $tweakSettings
+    }
+
+    foreach ($mappingKey in $UiControlMappings.Keys) {
+        $control = $Owner.FindName($mappingKey)
+        if (-not $control) { continue }
+
+        $mapping = $UiControlMappings[$mappingKey]
+        if ($control -is [System.Windows.Controls.CheckBox] -and $control.IsChecked) {
+            if ($mapping.Type -eq 'feature') {
+                $tweakSettings += @{ Name = $mapping.FeatureId; Value = $true }
+            }
+        }
+        elseif ($control -is [System.Windows.Controls.ComboBox] -and $control.SelectedIndex -gt 0) {
+            if ($mapping.Type -eq 'group') {
+                $selectedValue = $mapping.Values[$control.SelectedIndex - 1]
+                foreach ($fid in $selectedValue.FeatureIds) {
+                    $tweakSettings += @{ Name = $fid; Value = $true }
+                }
+            }
+            elseif ($mapping.Type -eq 'feature') {
+                $tweakSettings += @{ Name = $mapping.FeatureId; Value = $true }
+            }
+        }
+    }
+
+    return $tweakSettings
+}
+
+function Get-DeploymentSettings {
+    param (
+        [System.Windows.Window]$Owner,
+        [System.Windows.Controls.ComboBox]$UserSelectionCombo,
+        [System.Windows.Controls.TextBox]$OtherUsernameTextBox
+    )
+
+    $deploySettings = @(
+        @{ Name = 'UserSelectionIndex'; Value = $UserSelectionCombo.SelectedIndex }
+    )
+
+    if ($UserSelectionCombo.SelectedIndex -eq 1) {
+        $deploySettings += @{ Name = 'OtherUsername'; Value = $OtherUsernameTextBox.Text.Trim() }
+    }
+
+    $appRemovalScopeCombo = $Owner.FindName('AppRemovalScopeCombo')
+    if ($appRemovalScopeCombo) {
+        $deploySettings += @{ Name = 'AppRemovalScopeIndex'; Value = $appRemovalScopeCombo.SelectedIndex }
+    }
+
+    $restorePointCheckBox = $Owner.FindName('RestorePointCheckBox')
+    if ($restorePointCheckBox) {
+        $deploySettings += @{ Name = 'CreateRestorePoint'; Value = [bool]$restorePointCheckBox.IsChecked }
+    }
+
+    $restartExplorerCheckBox = $Owner.FindName('RestartExplorerCheckBox')
+    if ($restartExplorerCheckBox) {
+        $deploySettings += @{ Name = 'RestartExplorer'; Value = [bool]$restartExplorerCheckBox.IsChecked }
+    }
+
+    return $deploySettings
+}
+
+function Get-AvailableImportExportCategories {
+    param (
+        $Config
+    )
+
+    $availableCategories = @()
+    if ($Config.Apps) { $availableCategories += 'Applications' }
+    if ($Config.Tweaks) { $availableCategories += 'System Tweaks' }
+    if ($Config.Deployment) { $availableCategories += 'Deployment Settings' }
+
+    return $availableCategories
+}
+
+function Apply-ImportedApplications {
+    param (
+        [System.Windows.Controls.Panel]$AppsPanel,
+        [string[]]$AppIds
+    )
+
+    foreach ($child in $AppsPanel.Children) {
+        if ($child -is [System.Windows.Controls.CheckBox]) {
+            $child.IsChecked = ($AppIds -contains $child.Tag)
+        }
+    }
+}
+
+function Apply-ImportedTweakSettings {
+    param (
+        [System.Windows.Window]$Owner,
+        [hashtable]$UiControlMappings,
+        [array]$TweakSettings
+    )
+
+    $settingsJson = [PSCustomObject]@{ Settings = @($TweakSettings) }
+    ApplySettingsToUiControls -window $Owner -settingsJson $settingsJson -uiControlMappings $UiControlMappings
+}
+
+function Apply-ImportedDeploymentSettings {
+    param (
+        [System.Windows.Window]$Owner,
+        [System.Windows.Controls.ComboBox]$UserSelectionCombo,
+        [System.Windows.Controls.TextBox]$OtherUsernameTextBox,
+        [array]$DeploymentSettings
+    )
+
+    $lookup = @{}
+    foreach ($setting in $DeploymentSettings) {
+        $lookup[$setting.Name] = $setting.Value
+    }
+
+    if ($lookup.ContainsKey('UserSelectionIndex')) {
+        $UserSelectionCombo.SelectedIndex = [int]$lookup['UserSelectionIndex']
+    }
+    if ($lookup.ContainsKey('OtherUsername') -and $UserSelectionCombo.SelectedIndex -eq 1) {
+        $OtherUsernameTextBox.Text = $lookup['OtherUsername']
+    }
+
+    $appRemovalScopeCombo = $Owner.FindName('AppRemovalScopeCombo')
+    if ($lookup.ContainsKey('AppRemovalScopeIndex') -and $appRemovalScopeCombo) {
+        $appRemovalScopeCombo.SelectedIndex = [int]$lookup['AppRemovalScopeIndex']
+    }
+
+    $restorePointCheckBox = $Owner.FindName('RestorePointCheckBox')
+    if ($lookup.ContainsKey('CreateRestorePoint') -and $restorePointCheckBox) {
+        $restorePointCheckBox.IsChecked = [bool]$lookup['CreateRestorePoint']
+    }
+
+    $restartExplorerCheckBox = $Owner.FindName('RestartExplorerCheckBox')
+    if ($lookup.ContainsKey('RestartExplorer') -and $restartExplorerCheckBox) {
+        $restartExplorerCheckBox.IsChecked = [bool]$lookup['RestartExplorer']
+    }
+}
+
+function Export-Configuration {
+    param (
+        [System.Windows.Window]$Owner,
+        [bool]$UsesDarkMode,
+        [System.Windows.Controls.Panel]$AppsPanel,
+        [hashtable]$UiControlMappings,
+        [System.Windows.Controls.ComboBox]$UserSelectionCombo,
+        [System.Windows.Controls.TextBox]$OtherUsernameTextBox
+    )
+
+    # Precompute exportable data so empty categories can be disabled in the picker.
+    $selectedApps = Get-SelectedApplications -AppsPanel $AppsPanel
+    $tweakSettings = Get-SelectedTweakSettings -Owner $Owner -UiControlMappings $UiControlMappings
+
+    $disabledCategories = @()
+    if ($selectedApps.Count -eq 0) { $disabledCategories += 'Applications' }
+    if ($tweakSettings.Count -eq 0) { $disabledCategories += 'System Tweaks' }
+
+    $categories = Show-ImportExportConfigWindow -Owner $Owner -UsesDarkMode $UsesDarkMode -Title 'Export Configuration' -Prompt 'Select which settings to include in the export:' -DisabledCategories $disabledCategories
+    if (-not $categories) { return }
+
+    $config = @{ Version = '1.0' }
+
+    if ($categories -contains 'Applications') {
+        $config['Apps'] = @($selectedApps)
+    }
+    if ($categories -contains 'System Tweaks') {
+        $config['Tweaks'] = @($tweakSettings)
+    }
+    if ($categories -contains 'Deployment Settings') {
+        $config['Deployment'] = @(Get-DeploymentSettings -Owner $Owner -UserSelectionCombo $UserSelectionCombo -OtherUsernameTextBox $OtherUsernameTextBox)
+    }
+
+    # Show native save-file dialog
+    $saveDialog = New-Object Microsoft.Win32.SaveFileDialog
+    $saveDialog.Title = 'Export Configuration'
+    $saveDialog.Filter = 'JSON files (*.json)|*.json|All files (*.*)|*.*'
+    $saveDialog.DefaultExt = '.json'
+    $saveDialog.FileName = "Win11Debloat-Config-$(Get-Date -Format 'yyyyMMdd').json"
+
+    if ($saveDialog.ShowDialog($Owner) -ne $true) { return }
+
+    if (SaveToFile -Config $config -FilePath $saveDialog.FileName) {
+        Show-MessageBox -Message "Configuration exported successfully." -Title 'Export Configuration' -Button 'OK' -Icon 'Information' | Out-Null
+    }
+    else {
+        Show-MessageBox -Message "Failed to export configuration" -Title 'Error' -Button 'OK' -Icon 'Error' | Out-Null
+    }
+}
+
+function Import-Configuration {
+    param (
+        [System.Windows.Window]$Owner,
+        [bool]$UsesDarkMode,
+        [System.Windows.Controls.Panel]$AppsPanel,
+        [hashtable]$UiControlMappings,
+        [System.Windows.Controls.ComboBox]$UserSelectionCombo,
+        [System.Windows.Controls.TextBox]$OtherUsernameTextBox,
+        [scriptblock]$OnAppsImported,
+        [scriptblock]$OnImportCompleted
+    )
+
+    # Show native open-file dialog
+    $openDialog = New-Object Microsoft.Win32.OpenFileDialog
+    $openDialog.Title = 'Import Configuration'
+    $openDialog.Filter = 'JSON files (*.json)|*.json|All files (*.*)|*.*'
+    $openDialog.DefaultExt = '.json'
+
+    if ($openDialog.ShowDialog($Owner) -ne $true) { return }
+
+    $config = LoadJsonFile -filePath $openDialog.FileName -expectedVersion '1.0'
+    if (-not $config) {
+        Show-MessageBox -Message "Failed to read configuration file" -Title 'Error' -Button 'OK' -Icon 'Error' | Out-Null
+        return
+    }
+
+    if (-not $config.Version) {
+        Show-MessageBox -Message "Invalid configuration file format." -Title 'Error' -Button 'OK' -Icon 'Error' | Out-Null
+        return
+    }
+
+    $availableCategories = Get-AvailableImportExportCategories -Config $config
+
+    if ($availableCategories.Count -eq 0) {
+        Show-MessageBox -Message "The configuration file contains no importable data." -Title 'Import Configuration' -Button 'OK' -Icon 'Information' | Out-Null
+        return
+    }
+
+    $categories = Show-ImportExportConfigWindow -Owner $Owner -UsesDarkMode $UsesDarkMode -Title 'Import Configuration' -Prompt 'Select which settings to import:' -Categories $availableCategories
+    if (-not $categories) { return }
+
+    if ($categories -contains 'Applications' -and $config.Apps) {
+        $appIds = @(
+            $config.Apps | 
+            Where-Object { $_ -is [string] } | 
+            ForEach-Object { $_.Trim() } |
+            Where-Object { -not [string]::IsNullOrWhiteSpace($_) }
+        )
+
+        Apply-ImportedApplications -AppsPanel $AppsPanel -AppIds $appIds
+        
+        if ($OnAppsImported) { 
+            & $OnAppsImported
+        }
+    }
+    if ($categories -contains 'System Tweaks' -and $config.Tweaks) {
+        Apply-ImportedTweakSettings -Owner $Owner -UiControlMappings $UiControlMappings -TweakSettings @($config.Tweaks)
+    }
+    if ($categories -contains 'Deployment Settings' -and $config.Deployment) {
+        Apply-ImportedDeploymentSettings -Owner $Owner -UserSelectionCombo $UserSelectionCombo -OtherUsernameTextBox $OtherUsernameTextBox -DeploymentSettings @($config.Deployment)
+    }
+
+    Show-MessageBox -Message "Configuration imported successfully." -Title 'Import Configuration' -Button 'OK' -Icon 'Information' | Out-Null
+
+    if ($OnImportCompleted) {
+        & $OnImportCompleted $categories
+    }
+}
diff --git a/Scripts/GUI/Show-MainWindow.ps1 b/Scripts/GUI/Show-MainWindow.ps1
index 141baa5..a437314 100644
--- a/Scripts/GUI/Show-MainWindow.ps1
+++ b/Scripts/GUI/Show-MainWindow.ps1
@@ -27,6 +27,8 @@ function Show-MainWindow {
     $menuReportBug = $window.FindName('MenuReportBug')
     $menuLogs = $window.FindName('MenuLogs')
     $menuAbout = $window.FindName('MenuAbout')
+    $importConfigBtn = $window.FindName('ImportConfigBtn')
+    $exportConfigBtn = $window.FindName('ExportConfigBtn')
 
     # Title bar event handlers
     $titleBar.Add_MouseLeftButtonDown({
@@ -67,6 +69,22 @@ function Show-MainWindow {
         Show-AboutDialog -Owner $window
     })
 
+    # --- Import/Export Configuration ---
+    $exportConfigBtn.Add_Click({
+        Export-Configuration -Owner $window -UsesDarkMode $usesDarkMode -AppsPanel $appsPanel -UiControlMappings $script:UiControlMappings -UserSelectionCombo $userSelectionCombo -OtherUsernameTextBox $otherUsernameTextBox
+    })
+
+    $importConfigBtn.Add_Click({
+        Import-Configuration -Owner $window -UsesDarkMode $usesDarkMode -AppsPanel $appsPanel -UiControlMappings $script:UiControlMappings -UserSelectionCombo $userSelectionCombo -OtherUsernameTextBox $otherUsernameTextBox -OnAppsImported { UpdateAppSelectionStatus; UpdatePresetStates } -OnImportCompleted {
+            $tabControl.SelectedIndex = 3
+            UpdateNavigationButtons
+
+            $window.Dispatcher.BeginInvoke([System.Windows.Threading.DispatcherPriority]::Loaded, [action]{
+                Show-Bubble -TargetControl $reviewChangesBtn -Message 'View the selected changes here'
+            }) | Out-Null
+        }
+    })
+
     $closeBtn.Add_Click({
         $window.Close()
     })
@@ -254,6 +272,11 @@ function Show-MainWindow {
     $script:PendingDefaultMode = $false
     # Holds apps data preloaded before ShowDialog() so the first load skips the background job
     $script:PreloadedAppData = $null
+
+    # Prevent app import until the apps list has finished initial population.
+    if ($importConfigBtn) {
+        $importConfigBtn.IsEnabled = $false
+    }
     
     # Set script-level variable for GUI window reference
     $script:GuiWindow = $window
@@ -738,6 +761,9 @@ function Show-MainWindow {
 
         if ($appsToAdd.Count -eq 0) {
             $window.FindName('DeploymentApplyBtn').IsEnabled = $true
+            if ($importConfigBtn) {
+                $importConfigBtn.IsEnabled = $true
+            }
             return
         }
 
@@ -830,6 +856,9 @@ function Show-MainWindow {
 
         # Re-enable Apply button now that the full, correctly-checked app list is ready
         $window.FindName('DeploymentApplyBtn').IsEnabled = $true
+        if ($importConfigBtn) {
+            $importConfigBtn.IsEnabled = $true
+        }
     }
 
     # Loads apps into the UI
@@ -838,6 +867,10 @@ function Show-MainWindow {
         if ($script:IsLoadingApps) { return }
         $script:IsLoadingApps = $true
 
+        if ($importConfigBtn) {
+            $importConfigBtn.IsEnabled = $false
+        }
+
         # Show loading indicator and clear existing apps
         $loadingAppsIndicator.Visibility = 'Visible'
         $appsPanel.Children.Clear()
diff --git a/Scripts/GUI/Show-MessageBox.ps1 b/Scripts/GUI/Show-MessageBox.ps1
index 10bc2ac..f865820 100644
--- a/Scripts/GUI/Show-MessageBox.ps1
+++ b/Scripts/GUI/Show-MessageBox.ps1
@@ -152,14 +152,17 @@ function Show-MessageBox {
     })
     
     # Show dialog and return result from Tag
-    $msgWindow.ShowDialog() | Out-Null
-    
-    # Hide overlay after dialog closes (only if this dialog was the one that showed it)
-    if ($overlay -and -not $overlayWasAlreadyVisible) {
-        try {
-            $ownerWindow.Dispatcher.Invoke([action]{ $overlay.Visibility = 'Collapsed' })
+    try {
+        $msgWindow.ShowDialog() | Out-Null
+    }
+    finally {
+        # Hide overlay after dialog closes (only if this dialog was the one that showed it)
+        if ($overlay -and -not $overlayWasAlreadyVisible) {
+            try {
+                $ownerWindow.Dispatcher.Invoke([action]{ $overlay.Visibility = 'Collapsed' })
+            }
+            catch { }
         }
-        catch { }
     }
     
     return $msgWindow.Tag
diff --git a/Scripts/Get.ps1 b/Scripts/Get.ps1
index d154a4f..68176e9 100644
--- a/Scripts/Get.ps1
+++ b/Scripts/Get.ps1
@@ -11,6 +11,7 @@ param (
     [switch]$RunDefaults,
     [switch]$RunDefaultsLite,
     [switch]$RunSavedSettings,
+    [string]$Config,
     [string]$Apps,
     [string]$AppRemovalTarget,
     [switch]$RemoveApps,
diff --git a/Scripts/Helpers/ImportConfigToParams.ps1 b/Scripts/Helpers/ImportConfigToParams.ps1
new file mode 100644
index 0000000..2870108
--- /dev/null
+++ b/Scripts/Helpers/ImportConfigToParams.ps1
@@ -0,0 +1,127 @@
+function ImportConfigToParams {
+    param (
+        [Parameter(Mandatory = $true)]
+        [string]$ConfigPath,
+        [int]$CurrentBuild,
+        [string]$ExpectedVersion = '1.0'
+    )
+
+    $resolvedConfigPath = $null
+    try {
+        $resolvedConfigPath = (Resolve-Path -LiteralPath $ConfigPath -ErrorAction Stop).Path
+    }
+    catch {
+        throw "Unable to find config file at path: $ConfigPath"
+    }
+
+    if (-not (Test-Path -LiteralPath $resolvedConfigPath -PathType Leaf)) {
+        throw "Provided config path is not a file: $resolvedConfigPath"
+    }
+
+    if ([System.IO.Path]::GetExtension($resolvedConfigPath) -ne '.json') {
+        throw "Provided config file must be a .json file: $resolvedConfigPath"
+    }
+
+    $configJson = LoadJsonFile -filePath $resolvedConfigPath -expectedVersion $ExpectedVersion
+    if ($null -eq $configJson) {
+        throw "Failed to read config file: $resolvedConfigPath"
+    }
+
+    $importedItems = 0
+
+    if ($configJson.Apps) {
+        $appIds = @(
+            $configJson.Apps | 
+            Where-Object { $_ -is [string] } | 
+            ForEach-Object { $_.Trim() } |
+            Where-Object { -not [string]::IsNullOrWhiteSpace($_) }
+        )
+        
+        if ($appIds.Count -gt 0) {
+            AddParameter 'RemoveApps'
+            AddParameter 'Apps' ($appIds -join ',')
+            $importedItems++
+        }
+    }
+
+    if ($configJson.Tweaks) {
+        foreach ($setting in @($configJson.Tweaks)) {
+            if (-not $setting -or -not $setting.Name -or $setting.Value -ne $true) {
+                continue
+            }
+
+            $feature = $script:Features[$setting.Name]
+            if (-not $feature) {
+                continue
+            }
+
+            if (($feature.MinVersion -and $CurrentBuild -lt $feature.MinVersion) -or ($feature.MaxVersion -and $CurrentBuild -gt $feature.MaxVersion) -or ($feature.FeatureId -eq 'DisableModernStandbyNetworking' -and (-not $script:ModernStandbySupported))) {
+                continue
+            }
+
+            AddParameter $setting.Name $true
+            $importedItems++
+        }
+    }
+
+    if ($configJson.Deployment) {
+        $deploymentLookup = @{}
+        foreach ($setting in @($configJson.Deployment)) {
+            if ($setting -and $setting.Name) {
+                $deploymentLookup[$setting.Name] = $setting.Value
+            }
+        }
+
+        if ($deploymentLookup.ContainsKey('CreateRestorePoint') -and [bool]$deploymentLookup['CreateRestorePoint']) {
+            AddParameter 'CreateRestorePoint'
+            $importedItems++
+        }
+
+        if ($deploymentLookup.ContainsKey('RestartExplorer') -and -not [bool]$deploymentLookup['RestartExplorer']) {
+            AddParameter 'NoRestartExplorer'
+            $importedItems++
+        }
+
+        if ($deploymentLookup.ContainsKey('UserSelectionIndex')) {
+            switch ([int]$deploymentLookup['UserSelectionIndex']) {
+                1 {
+                    $otherUserName = if ($deploymentLookup.ContainsKey('OtherUsername')) { "$($deploymentLookup['OtherUsername'])".Trim() } else { '' }
+                    if (-not [string]::IsNullOrWhiteSpace($otherUserName)) {
+                        AddParameter 'User' $otherUserName
+                        $importedItems++
+                    }
+                }
+                2 {
+                    AddParameter 'Sysprep'
+                    $importedItems++
+                }
+            }
+        }
+
+        if ($deploymentLookup.ContainsKey('AppRemovalScopeIndex') -and $script:Params.ContainsKey('RemoveApps')) {
+            switch ([int]$deploymentLookup['AppRemovalScopeIndex']) {
+                0 {
+                    AddParameter 'AppRemovalTarget' 'AllUsers'
+                    $importedItems++
+                }
+                1 {
+                    AddParameter 'AppRemovalTarget' 'CurrentUser'
+                    $importedItems++
+                }
+                2 {
+                    $targetUser = if ($deploymentLookup.ContainsKey('OtherUsername')) { "$($deploymentLookup['OtherUsername'])".Trim() } else { '' }
+                    if (-not [string]::IsNullOrWhiteSpace($targetUser)) {
+                        AddParameter 'AppRemovalTarget' $targetUser
+                        $importedItems++
+                    }
+                }
+            }
+        }
+    }
+
+    if ($importedItems -eq 0) {
+        throw "The config file contains no importable data: $resolvedConfigPath"
+    }
+
+    return $resolvedConfigPath
+}
diff --git a/Win11Debloat.ps1 b/Win11Debloat.ps1
index b39b022..fba84b1 100644
--- a/Win11Debloat.ps1
+++ b/Win11Debloat.ps1
@@ -13,6 +13,7 @@ param (
     [switch]$RunDefaults,
     [switch]$RunDefaultsLite,
     [switch]$RunSavedSettings,
+    [string]$Config,
     [string]$Apps,
     [string]$AppRemovalTarget,
     [switch]$RemoveApps,
@@ -119,9 +120,10 @@ $script:AboutWindowSchema = "$PSScriptRoot/Schemas/AboutWindow.xaml"
 $script:ApplyChangesWindowSchema = "$PSScriptRoot/Schemas/ApplyChangesWindow.xaml"
 $script:SharedStylesSchema = "$PSScriptRoot/Schemas/SharedStyles.xaml"
 $script:BubbleHintSchema = "$PSScriptRoot/Schemas/BubbleHint.xaml"
+$script:ImportExportConfigSchema = "$PSScriptRoot/Schemas/ImportExportConfigWindow.xaml"
 $script:LoadAppsDetailsScriptPath = "$PSScriptRoot/Scripts/FileIO/LoadAppsDetailsFromJson.ps1"
 
-$script:ControlParams = 'WhatIf', 'Confirm', 'Verbose', 'Debug', 'LogPath', 'Silent', 'Sysprep', 'User', 'NoRestartExplorer', 'RunDefaults', 'RunDefaultsLite', 'RunSavedSettings', 'RunAppsListGenerator', 'CLI', 'AppRemovalTarget'
+$script:ControlParams = 'WhatIf', 'Confirm', 'Verbose', 'Debug', 'LogPath', 'Silent', 'Sysprep', 'User', 'NoRestartExplorer', 'RunDefaults', 'RunDefaultsLite', 'RunSavedSettings', 'Config', 'RunAppsListGenerator', 'CLI', 'AppRemovalTarget'
 
 # Script-level variables for GUI elements
 $script:GuiWindow = $null
@@ -249,6 +251,7 @@ if (-not $script:WingetInstalled -and -not $Silent) {
 
 # File I/O functions
 . "$PSScriptRoot/Scripts/FileIO/LoadJsonFile.ps1"
+. "$PSScriptRoot/Scripts/FileIO/SaveToFile.ps1"
 . "$PSScriptRoot/Scripts/FileIO/SaveSettings.ps1"
 . "$PSScriptRoot/Scripts/FileIO/LoadSettings.ps1"
 . "$PSScriptRoot/Scripts/FileIO/SaveCustomAppsListToFile.ps1"
@@ -263,6 +266,7 @@ if (-not $script:WingetInstalled -and -not $Silent) {
 . "$PSScriptRoot/Scripts/GUI/AttachShiftClickBehavior.ps1"
 . "$PSScriptRoot/Scripts/GUI/ApplySettingsToUiControls.ps1"
 . "$PSScriptRoot/Scripts/GUI/Show-MessageBox.ps1"
+. "$PSScriptRoot/Scripts/GUI/Show-ConfigWindow.ps1"
 . "$PSScriptRoot/Scripts/GUI/Show-ApplyModal.ps1"
 . "$PSScriptRoot/Scripts/GUI/Show-AppSelectionWindow.ps1"
 . "$PSScriptRoot/Scripts/GUI/Show-MainWindow.ps1"
@@ -275,6 +279,7 @@ if (-not $script:WingetInstalled -and -not $Silent) {
 . "$PSScriptRoot/Scripts/Helpers/CheckModernStandbySupport.ps1"
 . "$PSScriptRoot/Scripts/Helpers/GenerateAppsList.ps1"
 . "$PSScriptRoot/Scripts/Helpers/GetFriendlyTargetUserName.ps1"
+. "$PSScriptRoot/Scripts/Helpers/ImportConfigToParams.ps1"
 . "$PSScriptRoot/Scripts/Helpers/GetTargetUserForAppRemoval.ps1"
 . "$PSScriptRoot/Scripts/Helpers/GetUserDirectory.ps1"
 . "$PSScriptRoot/Scripts/Helpers/GetUserName.ps1"
@@ -371,7 +376,7 @@ if ($RunAppsListGenerator) {
 }
 
 # Change script execution based on provided parameters or user input
-if ((-not $script:Params.Count) -or $RunDefaults -or $RunDefaultsLite -or $RunSavedSettings -or ($controlParamsCount -eq $script:Params.Count)) {
+if ((-not $script:Params.Count) -or $RunDefaults -or $RunDefaultsLite -or $RunSavedSettings -or $Config -or ($controlParamsCount -eq $script:Params.Count)) {
     if ($RunDefaults -or $RunDefaultsLite) {
         ShowCLIDefaultModeOptions
     }
@@ -384,6 +389,21 @@ if ((-not $script:Params.Count) -or $RunDefaults -or $RunDefaultsLite -or $RunSa
 
         ShowCLILastUsedSettings
     }
+    elseif ($Config) {
+        try {
+            ImportConfigToParams -ConfigPath $Config -CurrentBuild $WinVersion -ExpectedVersion '1.0'
+        }
+        catch {
+            Write-Error "$_"
+            AwaitKeyToExit
+        }
+
+        if (-not $Silent) {
+            PrintHeader 'Custom Mode'
+            PrintPendingChanges
+            PrintHeader 'Custom Mode'
+        }
+    }
     else {
         if ($CLI) {
             $Mode = ShowCLIMenuOptions