

Follow the steps to remove cached identities:ġ. These cached identities can get corrupted and cause activation errors. You can fix the issue by removing the cached office identities. Solution 2: Fix Microsoft 365 Error by removing Cached Office identities in Registry Editor Uninstall these and check if the activation error code gets fixed or not. If yes, it could be the reason why this error code occurred. You can fix the Microsoft 365 error with the following solutions: Solution 1: Fix Microsoft 365 Error by uninstalling multiple copies of office from your deviceįirst, check if your device has multiple versions of office installed. Solution 7: Fix Microsoft 365 Error by repairing Office 365 online.

Solution 6: Repair and Reset Office using Settings App.

