Forgotten your Microsoft account username
发布时间:2026-09-02 | 浏览:1
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If you have previously added security information (a way to prove it's you when you sign in), follow the steps below.
If you have not set up any security information, read check your products or services to find your username.
If you know your username and password, but they have stopped working, read My username and password have stopped working .
Look up a forgotten username using other information
Look up your username using your security contact phone number or email address. Search
Look up your username using your security contact phone number or email address.
Request a security code to be sent to the phone number or email you used.
Request a security code to be sent to the phone number or email you used.
Enter the code and select Next .
Enter the code and select Next .
We'll then show a hint of the username, in this format: j********@outlook.com Tip A phone number or other email address may be used as sign-in security information for more than one account. If you don't recognize the phone or email hints, read My username and password have stopped working .
We'll then show a hint of the username, in this format: j********@outlook.com
A phone number or other email address may be used as sign-in security information for more than one account.
If you don't recognize the phone or email hints, read My username and password have stopped working .
You weren't able to find your username
If the username lookup wasn't successful, try looking for your Microsoft account username within other products or services that you know are associated with that account. Read check your products or services to find out how.
If you know your username and password, but they have stopped working, read My username and password have stopped working .
How to check if your email address is a Microsoft account
Need more help?
If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool.
Contact Support
For technical support, go to Contact Microsoft Support , enter your problem and select Get Help . If you still need help, select Contact Support to be routed to the best support option.
To protect your account and its contents, our support agents are not allowed to send password reset links, or access and change account details.
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