Locations where apps can access data


  • App Package Folder (Read Only)
  • App Data Folders: Local, Roaming*, Temp (Read/Write)
  • Publishers Shared Folder (Read/Write)
  • Removable Storage (SD Card, Read/Write)
  • Credential Locker (Read/Write, Secured)

*The Roaming Folder is synchronised (100 KByte) of all devices, where the App is installed.

Windows Storage – API via URIs

Installation Folder


App Data Folder

  • „ms-appdata:///local/“
  • „ms-appdata:///roaming/“
  • „ms-appdata:///temp/“


var file = await Windows.StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appdata:///local/AppConfig.xml"));

Windows Storage – Storage Folder

Installation Folder


App Data Folder

  • Windows.Storage.ApplicationData.Current.LocalFolder
  • Windows.Storage.ApplicationData.Current.RoamingFolder
  • Windows.Storage.ApplicationData.Current.TempFolder


var localFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
Windows.Storage.StorageFile storageFile = await localFolder.GetFileAsync("test.log");

File Open / Save Picker APIs

  • Filesystem
  • OneDrive

Known Folders

  • Pictures**
  • Videos**
  • Music**

**Direct access needs manifest capabilities


  • Azure (Background Transfer)