Error message "You're already syncing this account." appears [WORKAROUND]

ISSUE

When you try to add your account to OneDrive for Mac, you may receive the error: "You're already syncing this account."

STATUS: WORKAROUND

  1. From Spotlight search type “keychain” and select " Keychain Access”. If it's not visible in Spotlight, go to the Utilities folder and open Keychain Access from there.
  2. Search for “OneDrive.”
  3. Delete “OneDrive Cached Credential.”
  4. Go to /Users/<username>/Library/Group Containers/
  5. Find and delete UBF8T346G9.OneDriveSyncClientSuite.plist and UBF8T346G9.OfficeOneDriveSyncIntegration.plist
  6. Restart OneDrive.