How to Recover Missing Files After OneDrive Sync Changes

Lost files after a OneDrive sync? Follow these steps to restore your data from the version history, Recycle Bin, and local cache.

1. Check the OneDrive Recycle Bin online. Log in to onedrive.live.com using your Microsoft account credentials. Navigate to the Recycle Bin in the left-hand navigation pane to see if your missing files were moved there during the sync conflict. If found, select the files and click Restore.
2. Utilize OneDrive version history. Right-click the folder or file location where the data previously existed within your OneDrive folder. Select 'Version history' from the context menu to display a list of previous states. Click the three dots next to an older version and select Restore to revert the directory to a point before the sync error occurred.
3. Search the local hidden cache. Navigate to your local user directory: C:\Users\[Username]\AppData\Local\Microsoft\OneDrive\settings. Look for folders labeled 'Business1' or similar alphanumeric strings. Check these folders for files that failed to upload and are currently stuck in a local temporary cache state.
4. Force a OneDrive client reset. Press Win + R, paste the command %localappdata%\Microsoft\OneDrive\onedrive.exe /reset, and press Enter. This forces the OneDrive client to re-index all local files and re-sync with the cloud server, potentially uncovering files that were incorrectly flagged as synced.
5. Search for files on the local hard drive. Use Windows Search or the Everything search utility to look for the specific file name on your local C: drive. Occasionally, OneDrive sync changes cause files to be moved out of the synced library and into temporary local folders such as 'Documents' or 'Desktop' within the root user directory.