Microsoft Office 365 investigated an outage Saturday that left tens of thousands of users unable to access Outlook, according to an outage tracker. "We're investigating an issue in which users may be unable to access Outlook features and services,

Thousands of users reported issues or outages with Outlook and other Microsoft services on Saturday afternoon.

Tens of thousands of Microsoft Outlook users reported issues with the e-mail service on Saturday afternoon. Microsoft 365, which manages services such as Outlook, Excel and PowerPoint, posted an update to X at 5:01 p.

On Sunday, March 2, 2025, several Microsoft 365 users reported difficulties accessing their accounts, particularly with Outlook emails. Many users took to social media to express their frustration with the issue.