Microsoft Completes Migration Of Hotmail To, Moved 150 Petabytes Of Email In Just Six Weeks

Posted on May 2 2013 - 10:40pm by Editorial Staff

Microsoft today announced that it has completed the migration of Hotmail to The move means the company now has 400 million active accounts, which includes 125 million are accessing email, calendar and contacts on mobile devices using Exchange ActiveSync. The company also added that in just span of time moving the complete Hotmail means moving of 150 petabytes of email in just six weeks time.


In a thank you note at the end, Dick Craddock, Group Program Manager, says:

We want to give a huge “Thank you” to all of you who have supported Hotmail over the years, for some of you, that’s going back as far as 1996.  It has been an amazing journey and we’ve been honored to provide you with a great mail experience for many years. When we launched the original preview of, we knew that we were committing to building the world’s best email with a brand and product experience that spans from consumers all the way to the largest organizations. We’re excited to have you join as we write the next chapter in modern email from Microsoft.

Thank you for all the feedback along the way and everything you did to help make the best and fastest growing personal email out there.  We’re excited to keep hearing from you and there’s a lot more to come.  Welcome to the new and onwards to a billion inboxes!

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