Users reported problems related to Microsoft's services due to an authentication process on Tuesday, according to the outage tracker site, Downdetector.
Microsoft said on X that it investigated the issue related to services such as SharePoint Online or OneDrive for Business.
It added that it deployed a fix and determined the issue was solved.
Last month, an update for Microsoft's Windows operation system from cybersecurity firm, CrowdStrike, caused a historical IT outage hitting several sectors, particularly aviation.
Companies, including Microsoft and CrowdStrike, are expected to seek losses reaching hundreds of millions of dollars.
