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over 6 years ago

Office dev account sign-ups & extensions - we can help!

Still need a Microsoft Office 365 developer account or an extension on your existing account? Email us at and we’ll help you get set up.

If you have an existing account, please include the email or username that you signed up with, as well as your tenant ID.

If you have any technical questions about the Office 365 developer tools, please post to the Microsoft StackOverflow forums; you should receive a response within a day. For Add-in questions, please tag with #office-js and for Graph, tag with #microsoftgraph.


We're here to help. If you have any questions about the hackathon, post on the discussion forum or email and we'll respond as soon as we can.