Initially reported as an Outlook problem, Microsoft says its Exchange Online service has been disrupted.

Microsoft says it's testing a fix for the widespread Outlook issues that have led to email delays and failures.

In March, Microsoft confirmed that Russian government hackers known as Midnight Blizzard (or APT29) had broken into its systems with the goal of stealing various kinds of information, including data ...

I’ve got some bad news for you, email administrators -- your Monday may be getting a lot worse. You see, starting today, Microsoft has officially begun rejecting high-volume emails that don’t meet its ...

Internet engineers working on a standard for identifying the source of e-mail messages voted down a proposal by Microsoft to make some of the company's intellectual property a mandatory part of the ...

Recovering your Microsoft account password is easy. However, things can be challenging if you have forgotten your email address or username. You only have limited ways to find out your email address ...

At a press conference Monday, Ellison derided Microsoft’s Exchange e-mail servers as unreliable and insecure. He said Oracle is offering an e-mail server option for its 9i database management software ...

Microsoft's new deliverability requirement will have an outsized effect on B2B marketers, with other additional recommendations also likely to impact them more than their B2C counterparts. Let's break ...

C. Moore needed clarification about Microsoft’s assorted email clients. As I write this, there are four commonly-used, Windows-based, local email clients from Microsoft–although only two of them are ...