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—Updated July 25, 2016

Email accounts ending in,,, or are powered by In the coming months, will be upgraded with a new look and enhanced performance, security, and reliability.

While the upgrade is in process, some customers will use the new while others continue to use the legacy experience. How do you know whether your account has been upgraded? Compare your mailbox with the images below.


Post-upgrade menu bar

Outlook Mail menu bar

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