Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Dear DMLUSH,
Good day! Thank you for posting your query in our community.
Based on your description, you encounter a problem when using Office applications on your iPhone. To help you better, could you please provide more information for us?
- May I confirm your problem is signing into Office or opening files saved under your work account?
- Did you receive any error message? If yes, please provide a full screenshot of the error for us.
Appreciate your cooperation in advance.
Sincerely,
Jazlyn | Microsoft Community Moderator