Microsoft is investigating and working to resolve Exchange Online mailbox access issues that have intermittently affected ...

Microsoft is working to address an ongoing service issue that has intermittently prevented some users from accessing their ...

Microsoft investigates Exchange Online outage affecting mailbox access on Outlook mobile and Mac, with rollback underway.

A popular email messaging system from Microsoft that runs on Windows servers. The server side is Microsoft Exchange Server and the featured client program is Microsoft Outlook, which includes contacts ...

Update 26.3.2024: While not on the same scale as 2021's Microsoft Exchange Server hack (see below this update), security problems impacting Exchange Server have reemerged. In March 2024's monthly ...