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

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

In the latest version of classic Outlook, users can't open encrypted emails. Microsoft confirms the issue and is investigating.

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

A new Microsoft-issued software patch for Outlook (Classic) on Windows 11 inadvertently broke encrypted email support - ...

A new Outlook (Classic) update is preventing Windows users from opening encrypted emails. Microsoft confirms the bug and ...

The latest iOS 26.3 beta hints at the upgrade, which means no one can read messages sent between devices, not even Apple.

Classic Outlook tells you to open the email to "read its contents and verify your credentials," but that doesn't work.

How end-to-end encryption is the wall that keeps our digital secrets safe – and why modern life would be unimaginable without ...

Moxie Marlinspike—the pseudonym of an engineer who set a new standard for private messaging with the creation of the Signal ...

An estimated 3 million email addresses may be at risk of exposure to common cyberattacks, such as man-in-the-middle attacks, because email delivery often proceeds even when certificate validation ...

Despite texts, DMs, and Slack, tech companies are racing to own your inbox. Why? It's the key to unlocking personalized AI.