Your options to retrieve the account and password you use to sign in and install or reinstall Microsoft 365 Copilot, or to manage your Microsoft 365 subscription vary depending if your product is a Microsoft 365 for home or Microsoft 365 for business product.
Click here to see what products are included under Microsoft 365 for home or Microsoft 365 for business.
Tip
If you purchased Office through a company benefit, see Microsoft 365 through the Microsoft Workplace Discount Program. Microsoft 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 365 Office, or individual Microsoft 365 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 2024 or Office 2021 versions available as one-time purchases: The following products include the fully installed Office applications.
Office Home & Student
Office Home & Business
Office Professional
Tip
If purchased in Japan
Office Professional
Office Home & Business
Office Personal
Office Professional Academic
Stand-alone Office 2024 or Office 2021 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, Office 2021, and Office 2016 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 365 Subscriptions 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, or Office 2016
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.