When trying to add a work/school account to my OneDrive client I get "You're already syncing this account. Open your OneDrive - [company name] folder or sign in with a different account." The available options are "Open my [two spaces] folder", "Quit OneDrive", "Try again". After uninstalling the client and installing it again, the problem persists.

Does anyone know how to wipe the OneDrive settings in macOS? I tried looking into "Application Support", to no avail.

  • I found two files, called UBF8T346G9.OneDriveSyncClientSuite.plist and UBF8T346G9.OfficeOneDriveSyncIntegration.plist in /Users/[username]/Library/Group Containers/, that contain all the information about the syncing. The first one (ClientSuite) has all the information about the accounts you are logged into, the second one (Integration) has all the information about the folders in SharePoint you have ever connected to.
  • Instead of going nuclear and deleting both files, I opened both plists with Xcode and deleted the infringing accounts from ClientSuite and all the unnecessary SharePoint syncs from Integration. But I believe it would be safe to just delete both files.

Building on @catalandres's answer, my issue was that UBF8T346G9.OneDriveSyncClientSuite.plist file had a stale + duplicate account entry in it.

For example, I have one personal and business account I sync, but my accounts in the file were:

  1. AccountInfo_Business1
  2. AccountInfo_Business2
  3. AccountInfo_Personal

The entries for AccountInfo_Personal and AccountInfo_Business2 appeared correct, but the entry for AccountInfo_Business1 appeared to be stale.

To resolve the problem, I:

  1. Deleted the AccountInfo_Business1 key-value pair
  2. Renamed AccountInfo_Business2 to AccountInfo_Business1
  3. Saved my edits to UBF8T346G9.OneDriveSyncClientSuite.plist
  4. Launched OneDrive

After following the above steps, both accounts synced as expected.


Had the same issue using my iMac and this solved it:

  1. Quit OneDrive. (Select the cloud icon in the top tray, then select Settings > Quit OneDrive.)
  2. Find OneDrive in your Applications folder.
  3. Right-click OneDrive and select Show Package Contents.
  4. Browse to the Contents > Resources folder.
  5. Double-click ResetOneDriveApp.command (or ResetOneDriveAppStandalone.command, if you're using the standalone app).
  6. Start OneDrive and finish the setup process.

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