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

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

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.

It’s been a while since the new version of Outlook overtook the old classic version, but users are still unhappy with it. The latest issue? Certain Excel attachments aren’t opening in Outlook anymore, ...

Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client. According to a service alert (EX1189359) seen by BleepingComputer ...

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 ...

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 ...

APT28, the state-sponsored threat group tied to Russian intelligence, is weaponizing Microsoft Outlook through a new backdoor researchers call "NotDoor." The backdoor malware was first identified by ...

Outlook may show messages like “Error downloading the file content” or “We couldn’t open the file” when trying to open attachments, especially in the New ...