When you close your Microsoft account, you delete your account information, including your ID and password, your registered information, and your contacts. After you delete an account, you can't use that Microsoft account anymore to sign in to Microsoft products and services.
Go to the Microsoft account overview webpage, and then sign in with your Microsoft account.
Click Close account.
Verify that the correct Microsoft account appears, type your password, and then click Next.
If you have one or more aliases associated with your Microsoft account, you'll be prompted to remove them. If you have a Hotmail account, click deactivate your Hotmail account. – or –If you're closing your Outlook.com account, choose your reason for closing your account, and then click Deactivate account.
Your Outlook.com account will become inactive if you don't sign in for more than 365 days or within the first 10 days after signing up for your account. After an account becomes inactive, all messages, folders, and contacts are deleted, and incoming messages are sent back to the sender as undeliverable. If you want to close your account right away:
Visit the close account
Follow the instructions, and then click Deactivate account.
If you have an Ad-free Outlook.com, Xbox Live, or other subscription, cancel that subscription before you close your Microsoft account.
If you have any paid services or Microsoft Points associated with your Microsoft account, you need to cancel those as well. You should redeem your Points before you close the Microsoft account they're associated with, or you'll lose them.
If you manage a child's Microsoft account, the child's Microsoft account permissions will be revoked if you close your Microsoft account.
Some of your information won't be deleted. To learn more about this, see the privacy statement.
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