Microsoft has re-released the November 2024 security updates for Exchange Server after pulling them earlier this month due to email delivery issues on servers using custom mail flow rules. This known ...

Microsoft reported issues with sending and receiving email messages through Outlook, searching in OneDrive and creating chats ...

Microsoft confirmed that the KB5074109 January Windows 11 security update causes the classic Outlook desktop client to freeze ...

The latest Patch Tuesday security update from Microsoft rolled out August 8, complete with six critical reasons to install it as soon as possible. When it came to certain Exchange Server admins, ...

The Biden administration warned Friday that organizations face enormous risks from the recently disclosed Microsoft Exchange vulnerabilities that have affected thousands of private organizations. As ...

Editor's note: This story was updated to provide more information. Thousands of users are reporting issues accessing Microsoft Outlook email as well as the tech giant's suite of Office 365 software on ...

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: ...

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