The problem happens for users who encrypt the email using the settings under the email File dialog (File > Encrypt), ...

Microsoft is looking into a newly identified issue in classic Outlook that prevents users from opening certain encrypted ...

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

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 ...

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 ...

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 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 ...

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

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

The software maker is on a mission to make hardware irrelevant, software the king and Windows the most powerful engine for every device. But the challenge starts now. Nick Statt was a staff reporter ...

An icon in the shape of a lightning bolt. Impact Link In internal messages reviewed by Business Insider, employees spoke about their personal experiences around the ongoing protests against systemic ...