Download Microsoft OneDrive Apk 6.6 (Original) for Android. Microsoft OneDrive keeps your photos and files backed up, protected, synced, and accessible on all your devices. This OneDrive app lets you view and share OneDrive files, documents, and photos with friends and family. Plus, you can use the app to automatically back up your phone’s photos and videos. Start with 5 GB of free cloud storage or upgrade to a Microsoft 365 subscription to get 1 TB of storage.