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

Encrypted emails in Microsoft’s older email client—called “classic Outlook” as opposed to “new Outlook”—have once again ...

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

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

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. First things first, although it is understandable to think ...

If you open MS Outlook and see an error message, Outlook is using an old copy of your Outlook data file (.ost), then use ...

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

You can do plenty of things on Outlook, including some you probably didn’t even know about. But every user will encounter the most common Outlook problems sooner or later since no app is perfect. The ...

OST (Offline Storage Table) files are Microsoft Outlook data files that store an offline copy of your mailbox data, such as emails, contacts, messages, notes, etc. While you can access and view OST ...

Microsoft is investigating an issue causing Outlook Desktop to unexpectedly ask users to restore windows closed during a previous session. Outlook for Microsoft 365 users on affected systems see ...