Microsoft is investigating an ongoing outage preventing Outlook on the web users from accessing their Exchange Online mailboxes. According to thousands of user reports on DownDetector, the issue ...

UPDATE with latest: Microsoft‘s latest says its “targeted restarts are progressing slower than anticipated for the majority of affected users” after an outage due to an unspecified “recent change” ...

Snow day? Microsoft on Monday confirmed a widespread, multi-hour outage affecting Outlook users, leading to email delays and failures, authentication issues, and other problems. In a post on X, ...

Say goodbye to .msix and .msixbundle files in your email (unless your admin whitelists them).

Microsoft today began disabling Exchange Web Services (EWS) by default in Exchange Online, which will cut off the protocol that Apple's Mail, Calendar, Contacts, Notes, and Reminders apps on Mac still ...

On August 31, 2026, CNBC reported that Microsoft Corporation (NASDAQ:MSFT) suffered a widespread Outlook and Exchange Online ...

Thousands of Microsoft enterprise customers reported problems accessing their email as they returned from the weekend, and on Monday afternoon, Microsoft acknowledged widespread problems affecting ...

An outage at Microsoft impacted thousands of online users on Monday as they attempted to use its Microsoft 365 service for emails, calendars and other features. Microsoft 365 confirmed early Monday it ...

Microsoft is adding two extra file types to its Outlook block list to strengthen security. The file types are .msix and ...

Microsoft announced that it will add .msix and .msixbundle attachments to the list of blocked attachments in Outlook Web and ...

"We're closely monitoring the health of the service environment amidst our ongoing recovery work, and we're observing some sections of affected infrastructure which aren't accepting the re-applied ...