Microsoft Corp. on Monday suffered disruptions with its Office 365 workplace software tools and its Azure cloud that disabled some users for hours.

Microsoft MSFT, +0.78% said problems included some users of its Outlook email services and Teams workplace collaboration suite that provides chat functionality and videoconferencing and has seen rapid growth during the pandemic. Users trying to log into the systems were unable to connect, though those already logged in weren’t affected, the company said on its website.