A Microsoft 365 outage is preventing Exchange Online users from sending and receiving emails, with messages being stuck in transit and not reaching the recipients' inboxes. "We're investigating a ...

Unless you're running a large company that wants to install, host and maintain Microsoft Exchange Server on its own equipment, you generally don't need to purchase an Exchange Server license.

Office 365 can host on-premises messaging environmentS, including IMAP mailboxes, through different migration methods. IMAP migration, cutover migration, staged migration, hybrid deployment, etc.

Microsoft plans to improve Outlook Web App e-mail experiences by adding two new features to its commercial Office 365 service offerings. The features, expected to arrive "later this year," include one ...

Microsoft is rolling out protection against Office 365 Reply-All email storms, an issue impacting Exchange Online users who are members of large and improperly locked down mail distribution lists.