Troubleshooting OneDrive Sync Issues Common Issues Files not syncing: Ensure you're connected to the internet and signed in to the correct account. Missing files: Check the OneDrive web app to see if the files are there. If they are, there might be an issue with the local app. Sync errors: Click the OneDrive icon and look for error messages. Follow the on-screen instructions to resolve them. Advanced Troubleshooting Restart OneDrive: Right-click the OneDrive icon and select "Close OneDrive." Reopen OneDrive from the Start menu (Windows) or Applications folder (Mac). Reset OneDrive: Windows: Press Win + R, type %localappdata%\Microsoft\OneDrive\onedrive.exe /reset, and press Enter. Mac: Open Terminal and type killall OneDrive, then cd /Applications && open OneDrive.app. Reinstall OneDrive: Uninstall the OneDrive app from your device. Download and reinstall the latest version from the OneDrive website.