Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
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If you have already purchased it and the shipping details are incorrect, they cannot be changed after the purchase. However, if you haven’t purchased it yet, you can update the shipping details before completing the purchase by following the steps below.
Go to this link: https://account.microsoft.com/billing/payments
Sign in to your account
Then edit the incorrect billing address
For reference: https://support.microsoft.com/en-us/accounts-billing/manage/how-to-change-your-microsoft-account-name-or-address
If you already purchased it, you may reach Microsoft Accounts and Billing support by following the steps below:
Go to this link: https://support.microsoft.com/home/contact
In the search bar, type in your issue, then hit enter.
Scroll down to the bottom and select the blue button "Contact Support"