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

A Chinese hacker’s intrusion though a US government Microsoft 365 account is a wake-up call to review your current logging stance. Sandwiched into the same day that Microsoft announced the rebranding ...

Microsoft first tweeted at 8:56 a.m. Pacific Wednesday about the issue. The company said it was resolved hours later. Some users of Microsoft Exchange Online are unable to access mailboxes through any ...

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

Beware this highly sophisticated Microsoft 365 attack. Update, March 15, 2025: This story, originally published March 13, has been updated with further technical detail regarding the Microsoft 365 ...

Outlook has two types of name objects: the Display name and the Name value. Display names are used for end-user identification on outgoing or incoming messages or emails. Name values, however, are ...

Microsoft is working to fix an Exchange Online service outage that intermittently prevents users from accessing their mailboxes via the Internet Mailbox Access Protocol 4 (IMAP4). The incident ...