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

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

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

If MS Outlook freezes or crashes when attaching files on your Windows computer, these fixes will surely help you resolve the ...

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

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Sometimes staying safe is difficult. A tidal wave of AI-fueled ...

Microsoft has fixed a major bug preventing Microsoft 365 users from launching the classic Outlook email client on Windows systems. As explained when it acknowledged the issue in September, affected ...

Schleswig-Holstein has moved from Microsoft Exchange and Outlook to Open-Xchange and Thunderbird for e-mail. Other EU entities have opted for open-source alternatives. This switch isn't just a ...

Missing Outlook notifications can cause you to skip important emails and reminders, or even meetings. Whether you rely on desktop alerts, sounds, or mobile push notifications, a glitch can seriously ...