You'll see one file, or multiple files that have different GUIDs if there are multiple accounts.
If the issue still occurs, modify the OneAuth account store on the device:
Sign out of all Microsoft 365 apps, and then sign in again. If the issue persists, try the steps in Can't sign in to an Office 2016 for Mac app. Open the Microsoft Word app and continue with the activation steps. Open Terminal, and then run the following command: defaults write ResetOneAuthCreds -bool YES
If this error occurs when only one account is used, follow the steps that are appropriate for your device: Note: This error is expected if you're already signed in by using another Microsoft 365 account from the same tenant. Sorry, another account from your organization is already signed in on this computer When you try to activate Microsoft 365 apps, you receive the following error message even though no other account is in use:
