Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Dear User,
Good day!! Thanks for posting your concern in this Microsoft Community.
Per the description shared, I understand your concern but since it’s related to the 123 Reg Office which is a third party for the Microsoft, we moderators in this community are limited with the resource and technology behind it, so we request you to continue your further support on your concern with 123 Reg support for further investigation on your issue.
Thanks for your patience and understanding. Have a good day!
Sincerely,
Mia | Microsoft Moderator