Sign in to Office or Office 365

Sign in to Office

After signing in, you're automatically signed in to online services like Office Online or OneDrive.

From a web browser   

  1. Go to: https://www.office.com/signin

    For Office 365 operated by 21Vianet in China, sign in with your work or school account at https://login.partner.microsoftonline.cn.

    For Office 365 Germany, sign in with your work or school account at https://portal.office.de.

  2. Sign in with the personal Microsoft account you associated with Office, or the username and password you use with your work or school account.

From within an Office desktop app   

  1. If you're not already in an Office file or document, open an app such as Word or Excel, and open an existing file, or create a new one.

  2. Select File > Account (or Office Account if you're using Outlook). If you're not already signed in, click Sign In.

  3. In the Sign in window, type the email address and password you use with Office. This might be the personal Microsoft account you associated with Office, or the username and password you use with your work or school account.

If you're already signed in with an account, but you want to sign in with a different account, see the section below Switch between accounts. You might find it necessary to switch between accounts if you're trying to save or open files from a cloud service that uses a different account. For example, you may use more than one OneDrive service; one is associated with a work account, and the other is associated with a personal or school account; or you share your computer with someone else who is still signed in.

Switch between accounts

If you're already signed in with your Microsoft account and you want to sign in with your work or school account instead, or you're signed in with someone else's account and you want to sign into your own, do the following:

From your browser   

  • From the upper-right corner, select your name and sign out of the account you're signed in with, and then sign in with the other account.

    - OR -

  • Open a private session in your web browser. For example, in Internet Explorer or Edge, use InPrivate; in Chrome, use the incognito window; or in Firefox, use New Private Window.

From within an Office desktop app   

  1. In an app such as Word or Excel, select File > Account.

  2. Select Switch account.

    Screenshot showing how to switch accounts in Account info

How to sign out of Office

From your browser   

  1. In the upper right corner of the browser window, select your name or picture and select View account.

  2. Select, Sign out.

From within an Office desktop app   

  1. In an app such as Word or Excel, select File > Account (or Office Account in Outlook).

  2. Under User Information select, Sign out.

Go to My Account to manage Office, including install, deactivation, payment and renewal, and sharing

From a web browser   

  1. Go to: https://www.office.com/signin

    For Office 365 operated by 21Vianet in China, sign in with your work or school account at https://login.partner.microsoftonline.cn.

    For Office 365 Germany, sign in with your work or school account at https://portal.office.de.

  2. Sign in with the personal Microsoft account you associated with Office, or the username and password you use with your work or school account.

    Can't sign in? See I forgot the username or password for the account I use with Office.

  3. Select your name or picture in the upper-right corner and select View account.

From within an Office desktop app   

  1. In an app such as Word or Excel, select File > Account (or Office Account in Outlook).

  2. Under Product Information select, Manage Account.

    Your web browser will open. If your browser didn't open automatically, click on it from the task bar.

  3. Your browser might open directly to your Office My account page. If it didn't, you may be prompted to sign in. Sign in with the account you associated with Office. This is either your Microsoft account or the work or school account associated with Office

  4. After you're signed in, click your name or picture in the upper-right corner and depending on the account you're signed in with, and select My account or View account.

From the My account page, (and depending on your Office product) you can do the following:

  • Install Office or view your install status (if you have a license to install Office)

  • Share your subscription (only available to the owner of an Office 365 Home subscription)

  • Manage your account and Office. Depending on your product, this is also where you can view what Office products you own, deactivate Office on a device, renew Office 365, share your Office subscription, and manage payment.

    Tips: For more information about managing your payment options, see the following depending on your Office product:

Forgot your username or password

If you've forgotten the username or password for your account, or you're having trouble signing in, see I forgot the username or password for the account I use with Office.

Already have Office installed?   

If you have Office 365 or Office 2016 and it's already installed, in some cases you can see the name of the account you associated with Office.

  1. If you're not already in an Office file or document, open an app such as Word or Excel, and open an existing file, or create a new one.

  2. Select File > Account (or Office Account if you're using Outlook). If you're not already signed in, click Sign In.

  3. 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.

    The Microsoft account associated with Office appears on the Account window of an Office application

    If you don't see Belongs to:, select Update Options > Update Now. After the update is complete, try closing the app and then reopening it. If it's still not there, your version of Office may not include this feature.

Get support
Contact us
Expand your Office skills
Explore training

Was this information helpful?

Thank you for your feedback!

Thank you for your feedback! It sounds like it might be helpful to connect you to one of our Office support agents.

×