Office Standard 2021 MacOS Serializer activation problem

Problem description:

Using the Serializer to activate the Office Standard for MacOS does not activate the Office Standard.

Solution:

1. Uninstall / delete all Office and Serializer files, by moving them to the bin.
2. Search and delete the files and folder named “microsoftregistrationdb” and move them to the bin.

3. Search and delete the folder named “UBF8T346G9.com.microsoft.oneauth” and move them to the bin.

4. Clear the bin.
5. Use the Microsoft Office 365 license uninstall tool to ensure all Office files are deleted.
6. Install the Serializer bevor you install the Office Standard for MacOS.
7. Install the Office Standard for MacOS.
8. Start Office and check if it is working.