Microsoft is investigating an Exchange Online bug causing anti-spam systems to mistakenly quarantine some users' emails.

Microsoft says it partially mitigated a week-long Exchange Online outage causing delays or failures when sending or receiving ...

Updated Users of Microsoft's email service might be feeling a distinct sense of déjà vu after the web version of Outlook last ...

Countless folks found themselves unable to read or send email on Saturday ... Downdetector, an online service that tracks tech outages, began getting outages reported for Microsoft Outlook about ...

A security expert has issued a warning to Microsoft email users about a surprisingly convincing phishing scam. According to ...

Some users of Outlook face a problem, then when they reply to any Outlook email, the font size becomes smaller. This problem mainly persists with Microsoft Outlook. The default email service ...