More than two weeks after an outage took down Microsoft 365 applications, the software giant is reporting more issues Tuesday. What to know.

According to Downdetector, user complaints began spiking early Tuesday morning. Most users reported issues with the email application Outlook, according to the website status tracker. Users also reported having issues with Microsoft 365's website and Onedrive, its cloud storage solution.

Microsoft said it is assessing "an issue impacting users attempting to us Exchange Online or functionality within Microsoft Teams calendar."

A significant Microsoft outage is disrupting global access to essential services such as Outlook, Teams and Exchange Online.

Higher than normal U.S. outage reports began as the workday kicked off on the East Coast and peaked hours later in the early afternoon before tapering off, according to the tracking site Downdetector. Worst hit was the web version of Outlook, with the phone and desktop apps faring better, the site said.

Thousands of users are reporting issues accessing Microsoft Outlook email as well as the tech giant's suite of Office 365 software on Monday.

Microsoft said it is assessing "an issue impacting users attempting to us Exchange Online or functionality within Microsoft Teams calendar."

Microsoft experienced its second significant outage in two weeks, affecting services like Outlook and Teams. The disruption lasted for hours and impacted thousands of users globally, with issues particularly noted in accessing the Teams calendar functionality.

Hundreds of users are having problems accessing Microsoft services including Outlook and Teams. The company said they were experiencing ‘service degradation’ but believed they had identified the problem,