Microsoft 365, Exchange, Outlook, Teams and the Microsoft Store were all offline, according to Downdetector, with the reports peaking shortly before 3:30 p.m. ET.

Thousands of Microsoft 365 users were reporting outages on Jan. 22. Here's the latest.

Microsoft Outage Status Update: Problem Identified Amid 451 4.3.2 Temporary Server Issue, Estimated Time Here ...

Microsoft is investigating an Exchange Online bug causing anti-spam systems to mistakenly quarantine some users' emails. According to a new incident report added to the Microsoft 365 Admin Center, the ...

Microsoft has backed away from planned changes to Exchange Online after customers objected to limits designed to curb outbound email abuse.… In its cancellation announcement, Microsoft said: ...

Microsoft 365 services, including Outlook, Defender, Purview, and Teams, were down on Thursday ...

Microsoft is investigating an ongoing Exchange Online outage preventing customers from sending emails and triggering 503 errors on affected systems. Impacted users report having issues with emails ...

Microsoft Exchange users have been hit with an email outage, preventing them from sending messages. Microsoft has confirmed the problem, attributing it to “a recent change to the free/busy ...

Microsoft has been no stranger to outages lately. It saw two major outages in October alone, with both 365 and Azure crashing ...

Microsoft wants to give big businesses a way to send more emails via its Exchange Online service. Today, the company officially announced its public preview of what it calls High Volume Email (HVE) ...

If your business or organization uses Microsoft's Exchange Online to handle your mass email messages. The bad news is that the company is going to place limits on the number of emails sent to external ...