Microsoft is investigating an ongoing outage blocking Exchange Online customers worldwide from accessing their mailboxes or sending/receiving emails. Affected users see "550 5.4.1 Recipient address ...

Microsoft is investigating an ongoing outage preventing Outlook on the web users from accessing their Exchange Online mailboxes. According to thousands of user reports on DownDetector, the issue ...

Microsoft first tweeted at 8:56 a.m. Pacific Wednesday about the issue. The company said it was resolved hours later. Some users of Microsoft Exchange Online are unable to access mailboxes through any ...

Microsoft was not releasing feature updates for Exchange Web Services in Exchange Online and now says it will block EWS requests from non-Microsoft apps to Exchange Online starting Oct. 1, 2026.

The New Varonis® DatAdvantage®for Exchange Reduces the Time Exchange Administrators Spend Managing Mailbox Access and Tracking Email Activity by up to 70 Percent “With traditional approaches, it was ...

Microsoft has delayed an upcoming Exchange Online feature after public frustration from IT admins. The "enhancement" was supposed to roll out next week. A couple of days ago, we reported that ...

In Microsoft Exchange Server, apart from mailboxes and user archives, there is another repository (public folder) which serves as a shared location for the users where they can store and share various ...

As organizations increasingly rely on cloud-based services like Microsoft 365 Exchange for daily communication, a common and potentially dangerous assumption has emerged: that storing data in the ...

Threat actors are using a couple of dangerous, new tactics to exploit the so-called ProxyShell set of vulnerabilities in on-premises Exchange Servers that Microsoft patched earlier this year — and ...