Microsoft is investigating an ongoing outage preventing Outlook on the web users from accessing their Exchange Online ...

The server side is Microsoft Exchange Server and the featured client program is Microsoft Outlook, which includes contacts and calendaring. Prior to Outlook, which was introduced with Office 97 ...

Microsoft has rushed out emergency updates to address four zero-day flaws affecting Microsoft Exchange Server versions 2013, 2016, and 2019. Threat actors have been observed exploiting the ...

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