Due to recent attacks and multiple ‘proxy’ (authentication bypass) vulnerabilities found in on-premises Exchange servers, it has become a headache for organizations to keep updating their servers and ...

Exchange Online outage EX1331830 has blocked email delivery across North America, Asia-Pacific, and Europe since June 2, 2026 ...

Microsoft is investigating ongoing Microsoft 365 issues preventing some Exchange Online customers from accessing their mailboxes. "We've identified an issue affecting Exchange Online connectivity for ...

Microsoft experienced a major outage on January 22 that hit Outlook, 365 and Teams, but the tech giant says it's now been "resolved". The Downdetector reports peaked at around 3pm ET / 8pm GMT in the ...

Microsoft’s Office 365 is such a radical shift in both technology and its delivery that there will scarcely be any segment of the IT industry that won’t be impacted in a big way. Office 365 has now ...

Microsoft is investigating an ongoing outage impacting multiple Microsoft 365 services after customers have reported experiencing connection issues. "We're investigating issues impacting multiple ...

Microsoft is integrating its Forefront filtering technology into Office 365 and BPOS to make it easier for Exchange admins to let go I was surprised to learn last week at Microsoft’s MVP Summit that ...

An outage at Microsoft impacted thousands of online users on Monday as they attempted to use its Microsoft 365 service for emails, calendars and other features. Microsoft 365 confirmed early Monday it ...

In the Cached Exchange Mode, a copy of your mailbox is saved on your computer. The copy offers prompt access to your data and is often updated with the server that runs Microsoft Exchange. Cached mode ...