Microsoft has confirmed a known issue that prevents recipients from opening encrypted emails in classic Outlook.

Microsoft has hustled out an out-of-band update to address a Message Queuing issue introduced by the December 2025 update.

While sending an email through the Outlook desktop app, if you see an error message saying Microsoft Outlook cannot sign or encrypt this message because there are no ...

Threat actors are abusing misconfigured MX records and weak DMARC/SPF policies to make phishing emails look internal, ...

Messaging middleware for Windows NT from Microsoft. Code-named Falcon, and abbreviated MSMQ, it allows programs to send messages to other programs. It can be used to queue up transactions in a ...

Microsoft has released a preview of a Microsoft Intune "Organizational Messages" capability for IT pros, which lets them send notices to Windows 11 users, per a Thursday announcement. The ...

Microsoft is planning to add the highly popular Message Recall feature among Outlook for Windows users to the Exchange Online hosted cloud email service for businesses. After its rollout to all Office ...

Microsoft sent a message this week to its customers regarding temporary adjustments to Microsoft 365 features. The adjustments apparently are being made to address the extra demands on services in ...

You can delete chat messages In Microsoft Teams after you've sent them. While you can't delete other users' messages, you can hide or mute conversations so you won't receive notifications about them.

As the 20th anniversary of Patch Tuesday approaches later this year, many are reflecting on the importance of the program that brought predictability to Microsoft security patch cycles. Patch Tuesday ...