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Microsoft 365 and Office | Development | Microsoft 365 Publishing
End-to-end process of building, validating, and distributing custom apps and add-ins across Microsoft 365 platforms
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Some ideas here
https://support.microsoft.com/en-us/account-billing/you-forgot-your-microsoft-account-username-b2049472-3b8f-27d3-61c6-67a668453f4c
then you can manage subscription s here.
https://support.microsoft.com/en-us/account-billing/manage-a-microsoft-subscription-7f52444a-8612-4f29-b109-2ac47dd4c83a
--please don't forget to upvote and Accept as answer if the reply is helpful--