diff --git a/SharepointToolbox/App.xaml.cs b/SharepointToolbox/App.xaml.cs
index fed3a2f..69731a6 100644
--- a/SharepointToolbox/App.xaml.cs
+++ b/SharepointToolbox/App.xaml.cs
@@ -70,8 +70,11 @@ public partial class App : Application
 
     private static void RegisterServices(HostBuilderContext ctx, IServiceCollection services)
     {
-        services.AddSingleton<ProfileRepository>();
-        services.AddSingleton<SettingsRepository>();
+        var appData = Path.Combine(
+            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+            "SharepointToolbox");
+        services.AddSingleton(_ => new ProfileRepository(Path.Combine(appData, "profiles.json")));
+        services.AddSingleton(_ => new SettingsRepository(Path.Combine(appData, "settings.json")));
         services.AddSingleton<MsalClientFactory>();
         services.AddSingleton<SessionManager>();
         services.AddSingleton<ProfileService>();