Feature: Added support for turning off file extension warning

src/Files.App/Filesystem/FilesystemOperations/Helpers/FilesystemHelpers.cs

@@ -561,9 +561,14 @@ await DialogDisplayHelper.ShowDialogAsync(
 					history = await filesystemOperations.RenameAsync(source, newName, collision, progress, cancellationToken);
 					break;
 
+				// Prompt user when extension has changed, not when file name has changed
 				case FilesystemItemType.File:
-					if (showExtensionDialog &&
-						Path.GetExtension(source.Path) != Path.GetExtension(newName)) // Only prompt user when extension has changed, not when file name has changed
+					if
+					(
+						showExtensionDialog &&
+						Path.GetExtension(source.Path) != Path.GetExtension(newName) &&
+						UserSettingsService.FoldersSettingsService.ShowFileExtensionWarning
+					)
 					{
 						var yesSelected = await DialogDisplayHelper.ShowDialogAsync("Rename".GetLocalizedResource(), "RenameFileDialog/Text".GetLocalizedResource(), "Yes".GetLocalizedResource(), "No".GetLocalizedResource());
 						if (yesSelected)

src/Files.App/ServicesImplementation/Settings/FoldersSettingsService.cs

@@ -268,6 +268,12 @@ public bool DoubleClickToGoUp
 			set => Set(value);
 		}
 
+		public bool ShowFileExtensionWarning
+		{
+			get => Get(true);
+			set => Set(value);
+		}
+
 		protected override void RaiseOnSettingChangedEvent(object sender, SettingChangedEventArgs e)
 		{
 			switch (e.SettingName)
@@ -298,6 +304,7 @@ protected override void RaiseOnSettingChangedEvent(object sender, SettingChanged
 				case nameof(DeleteConfirmationPolicy):
 				case nameof(SelectFilesOnHover):
 				case nameof(DoubleClickToGoUp):
+				case nameof(ShowFileExtensionWarning):
 					Analytics.TrackEvent($"Set {e.SettingName} to {e.NewValue}");
 					break;
 			}

src/Files.App/Strings/en-US/Resources.resw

@@ -2667,4 +2667,7 @@
   <data name="ToggleSelect" xml:space="preserve">
     <value>Toggle Selection</value>
   </data>
-</root>
+  <data name="ShowFileExtensionWarning" xml:space="preserve">
+    <value>Show warning when changing file extensions</value>
+  </data>
+</root>

src/Files.App/ViewModels/Settings/FoldersViewModel.cs

@@ -407,6 +407,20 @@ public bool DoubleClickToGoUp
 			}
 		}
 
+		public bool ShowFileExtensionWarning
+		{
+			get => UserSettingsService.FoldersSettingsService.ShowFileExtensionWarning;
+			set
+			{
+				if (value != UserSettingsService.FoldersSettingsService.ShowFileExtensionWarning)
+				{
+					UserSettingsService.FoldersSettingsService.ShowFileExtensionWarning = value;
+
+					OnPropertyChanged();
+				}
+			}
+		}
+
 		public void ResetLayoutPreferences()
 		{
 			// Is this proper practice?

src/Files.App/Views/Settings/FoldersPage.xaml

@@ -289,6 +289,18 @@
 					<ComboBoxItem Content="{helpers:ResourceString Name=Never}" />
 				</ComboBox>
 			</local:SettingsBlockControl>
+
+			<!--  File Extension Warning  -->
+			<local:SettingsBlockControl Title="{helpers:ResourceString Name=ShowFileExtensionWarning}" HorizontalAlignment="Stretch">
+				<local:SettingsBlockControl.Icon>
+					<FontIcon Glyph="&#xE8AC;" />
+				</local:SettingsBlockControl.Icon>
+
+				<ToggleSwitch
+					AutomationProperties.Name="{helpers:ResourceString Name=ShowFileExtensionWarning}"
+					IsOn="{x:Bind ViewModel.ShowFileExtensionWarning, Mode=TwoWay}"
+					Style="{StaticResource RightAlignedToggleSwitchStyle}" />
+			</local:SettingsBlockControl>
 
 			<!--  Select On Hover  -->
 			<local:SettingsBlockControl Title="{helpers:ResourceString Name=SelectFilesAndFoldersOnHover}" HorizontalAlignment="Stretch">

src/Files.Backend/Services/Settings/IFoldersSettingsService.cs

@@ -189,5 +189,10 @@ public interface IFoldersSettingsService : IBaseSettingsService, INotifyProperty
 		/// Gets or sets a value indicating if double clicking a blank space should go up a directory.
 		/// </summary>
 		bool DoubleClickToGoUp { get; set; }
+
+		/// <summary>
+		/// Gets or sets a value indicating if a warning dialog show be shown when changing file extensions.
+		/// </summary>
+		bool ShowFileExtensionWarning { get; set; }
 	}
 }