Hi ooth, my name is Jose, a Windows user like you. I'll be happy to assist you with this issue.
Sorry to hear you're experiencing this issue.
In order to fix this issue, please download and run Microsoft Support and Recovery Assistant. The tool can be downloaded using the following link:
https://aka.ms/SaRA-OfficeSignInScenario
On the Which app are you having problems with screen, select Outlook, then click next button and now select I need help setting up my office 365 email in Outlook. Select Next and follow the wizard instructions.
If you need anything else, please let me know.