A Microsoft Outlook add-in was abandoned and taken over by hackers, who used it to collect email accounts and banking data.

First malicious Outlook add-in abused an abandoned domain to host a fake Microsoft login page, stealing 4,000+ credentials in ...

At last there’s a fix. Millions of Outlook users been plagued with failed restarts and missing emails since Microsoft ...

Security researchers uncover the first malicious Outlook add-in, hijacked to steal 4,000+ Microsoft credentials in new supply chain attack.

The AgreeTo add-in for Outlook has been hijacked and turned into a phishing kit that stole more than 4,000 Microsoft account ...

Scammers are sending emails that appear to come from Microsoft, warning users their accounts face suspension or deletion. The ...

A hacker noticed the change in its status and hijacked the dead add-in and its 4.71-star rating to conduct a phishing campaign that the company which uncovered the attack, plug-in security company Koi ...

Microsoft has fixed a known issue that prevented Microsoft 365 customers from opening encrypted emails in classic Outlook ...

Microsoft Outlook and Hotmail email platforms are experiencing issues Thursday morning, causing partial outages for Microsoft users across the globe. Here's what you need to know: Is Outlook down ...

Outlook Mobile can now hide declined meetings, with full rollout expected by mid-February 2026 for a cleaner calendar view.

Outlook users are reporting that emails won't send.

After countless folks found themselves unable to read or send email on Saturday afternoon as an apparent outage affected Microsoft Outlook, the company said Saturday night that service was restored.