I forgot the username or password for the account I use with Microsoft 365
Your options to retrieve the account and password you use to sign in and install or reinstall Microsoft 365, or to manage your Microsoft 365 subscription vary depending if your product is a Microsoft 365 for home or Microsoft 365 for business product.
Tip: If you purchased Office through a company benefit, see Microsoft 365 through the Microsoft Workplace Discount Program.Microsoft 365Microsoft 365
Microsoft 365 for home
If your Microsoft 365 product is one of the following, you have a Microsoft 365 for home product. This can be a subscription, or a one-time purchase of Microsoft 365Microsoft Office, or individual Microsoft 365 Microsoft application. These products are usually associated with a personal Microsoft account.
Microsoft 365 subscriptions: The following products include the fully installed Microsoft 365 applications.
Microsoft 365 Family
Microsoft 365 Personal
Office 2021, Office 2019, Office 2016, or Office 2013 versions available as one-time purchases: The following products include the fully installed Office applications.
Office Home & Student
Office Home & Business
Office Professional
Stand-alone Office 2021, Office 2019, 2016, or 2013 apps available as one-time purchases
Word
Excel
PowerPoint
OneNote*
Outlook
Access
Publisher
Project
Visio
Tip: *The desktop version of OneNote is only available in Microsoft 365, 2021, 2016, and 2013 versions. In Office 2019, OneNote for Windows 10 is the default OneNote experience. See the FAQ.
Microsoft 365 for business
If your Microsoft 365 product is one of the following, you have a Microsoft 365 for business product. These products are usually associated with a work or school account, and your Microsoft 365 license (if your subscription has one) came from the organization where you work or go to school.
Microsoft 365 Subscriptions: The following products include the fully installed Microsoft 365 applications.
Microsoft 365 Apps for business
Microsoft 365 Business Standard
Office 365 A5
Microsoft 365 Apps for enterprise
Office 365 Enterprise E3
Office 365 Enterprise E4
Office 365 Enterprise E5
Microsoft 365 Business Standard (Nonprofit)
Office 365 Nonprofit E3
Office 365 Nonprofit E5
Office 365 U.S. Government Community G3
Office 365 U.S. Government Community G5
Project Online Professional
Project Online Premium
Visio Online Plan 2
Microsoft 365Subscriptions without fully installed Office applications:
Tip: With these Microsoft 365 subscriptions, there are no desktop applications to download and install, but in most cases, you can still access and use online versions of Office apps in your web browser. See Free Office on the web.
Microsoft 365 Business Basic
Office 365 Enterprise E1
Office 365 A1
Microsoft 365 Business Basic (Nonprofit)
Office 365 Nonprofit E1
Office 365 U.S. Government G1
Project Online Essentials
Visio Online Plan 1
Volume license versions of Office LTSC 2021, Office 2019, Office 2016, or Office 2013
Office Professional Plus
The account you associated with your Microsoft 365 for home product is the same email you used when you bought or activated Microsoft 365 the first time, or what you use to sign in and install or manage Microsoft 365 from your account portal.
For help with this username or password, select from the options below:
Forgot your username
You forgot your Microsoft account username
Check products or services
Reset or change your password
Reset your Microsoft account password
Change your Microsoft account password
Still need help?
If none of these options help and you still can't remember your Microsoft account, see When you can't sign in to your Microsoft account for additional things to try.
The email account your work or school assigned to you is the same account associated with the copy of Microsoft 365 you got through your work or school. For help with this username or password, select from the options below:
Forgot your username
Contact your admin
Open an Office 2016 app to see your username
Make password changes or sign in
Reset a password, change a password, sign in, or switch the account you're sign in with
Contact your admin for your username and password
Contact your admin who can retrieve the username and reset the password for your work or school account.
If Office 2016 is installed, open any Office app to see your username
If you have Office 2016 installed, in most cases you can view the work or school account associated with Office by opening a desktop Office application.
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Open any Office application, for example Word or Excel.
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Select File. If you didn't open an existing document, you may need to create a new document to see the File menu.
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From the navigation on the left, select Account.
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Under Product Information is the name of your Office product and the phrase, Belongs to: along with the account associated with this version of Office.
If you don't see Belongs to:, select Update Options > Update Now. After the update is complete, close the app and then reopen it. Look for the Belongs to: account.
Passwords and signing in
Select your Microsoft 365 plan immediately below:
- Select your Microsoft 365 plan
- Microsoft 365
- Microsoft 365 operated by 21 Vianet (China)
- Microsoft 365 Germany
You know your username, but forgot the password and need to reset it
If your admin has given you permission to reset your password go to, passwordreset.microsoftonline.com/. Contact your admin if you don't have permission to change your password.
You know your password, but you want to change it
You can only do this if your admin has given you permission to update your password in Microsoft 365.
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Go to www.microsoft365.com/signin and sign in with your work or school account username and existing password.
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Go to Settings
> Password.
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Make your changes and click Save.
Sign in to Microsoft 365
The sign in location for Microsoft 365 is, www.microsoft365.com/signin.
If you're signing in to the correct location, but still can't remember your username and password, contact your admin.
Sign in with a personal account instead of a work or school account
If you're trying to sign in with your personal Microsoft account, but you're already signed in with your work or school account, you need to sign out and then sign in with the correct Microsoft account (or vice versa).
Another option is to open a private browsing session in a new browser window. (Search your browser's help if you don't know how to do this.) When you open a private browsing session your browsing data (history, temporary internet files, and cookies) isn't saved so you can sign in with a different account.
You know your username, but forgot the password and need to reset it
If your admin has given you permission to reset your password go to, passwordreset.activedirectory.windowsazure.cn/. Contact your admin if you don't have permission to change your password.
You know your password, but you want to change it
You can only do this if your admin has given you permission to update your password in Microsoft 365.
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Go to login.partner.microsoftonline.cn and sign in with your work or school account username and existing password.
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Go to Settings
> Password.
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Make your changes and click Save.
Sign in to Microsoft 365 365
The sign in location for Office 365 operated by 21Vianet in China is, https://login.partner.microsoftonline.cn/.
If you're signing in to the correct location, but still can't remember your username and password, contact your admin.
Sign in with a personal account instead of a work or school account
If you're trying to sign in with your personal Microsoft account, but you're already signed in with your work or school account, you need to sign out and then sign in with the correct Microsoft account (or vice versa).
Another option is to open a private browsing session in a new browser window. (Search your browser's help if you don't know how to do this.) When you open a private browsing session your browsing data (history, temporary internet files, and cookies) isn't saved so you can sign in with a different account.
You know your username, but forgot the password and need to reset it
If your admin has given you permission to reset your password go to, passwordreset.microsoftonline.com/. Contact your admin if you don't have permission to change your password.
You know your password, but you want to change it
You can only do this if your admin has given you permission to update your password in Microsoft 365.
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Go to portal.office.de and sign in with your work or school account username and existing password.
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Go to Settings
> Password.
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Make your changes and click Save.
Sign in to Microsoft 365
The sign in location for Office 365 Germany is, https://portal.office.de.
If you're signing in to the correct location, but still can't remember your username and password, contact your admin.
Sign in with a personal account instead of a work or school account
If you're trying to sign in with your personal Microsoft account, but you're already signed in with your work or school account, you need to sign out and then sign in with the correct Microsoft account (or vice versa).
Another option is to open a private browsing session in a new browser window. (Search your browser's help if you don't know how to do this.) When you open a private browsing session your browsing data (history, temporary internet files, and cookies) isn't saved so you can sign in with a different account.
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