Hi @Thais Bueno
Currently in Microsoft Q&A we only support English, could you please edit your question into English？Thanks for your understanding.
Via translation tool, I get following content.
Please note, iOS is a mobile operating system developed by Apple, do you mean you are using MacOS devices?
If so, I would suggest you sign into My Account webpage to have a check.
Then it's recommended to try following steps to have a check.
- Run the License Removal Tool
- In Spotlight Search (the magnifying glass) on your Mac, search for and open Keychain Access. (Note: You will need local admin privileges to make changes to your Keychain Access.) In Keychain Access, delete the files below:
Microsoft Office Identities Cache 3
Microsoft Office Identities Settings 3
Microsoft Office Ticket Cache
- Restart your Mac device and open any Microsoft Office app to re-sign back.
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