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Split from this thread about a different issue.
[Moderator note: personal information removed]
this is my activation code. But it is showing that "pin-inapp-invalid pin-8". I can not activate my office professional 2021.
how can I activate?
Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
Has the product worked in the past and now suddenly stopped working?
Or is it a new installation?