Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hello Roberto Mata1, Welcome to the Microsoft community.This may be an effect of your network fluctuation or Office program malfunction.Please try a different network connection first to see if this solves the problem.If this does not solve the problem, please try the following methods.1. Delete the Office license file and log in Office again.How to remove Office license files on a Mac - Microsoft Support2. If the Office you are using was downloaded from your Microsoft account webpage, please uninstall Office and go to the App Store to download it. If you downloaded Office from the App Store, please refer to the link below to download Office from your Microsoft account webpage, sometimes installing Office in a different way can solve the problem.Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac - Microsoft SupportIf the above solution does not solve the problem, please try creating a new user on your Mac and logging in to the new user afterward to see if the same problem occurs. This will allow you to determine if it is an effect of the user's configuration.https://support.apple.com/guide/mac-help/new-user-or-group-setup-mh15191/macDisclaimer: Microsoft provides no assurances and/or warranties, implied or otherwise, and is not responsible for the information you receive from the third-party linked sites or any support related to technology.SincerelyCarlos - MSFT | Microsoft Community Support Specialisto