Applies ToOffice 2024 Office 2021 Office 2019 Office 2016 Microsoft 365 for home

Before you reinstall Office or Microsoft 365 for personal use, we recommend that you uninstall Office first. After you've uninstalled Office, follow the steps below.

Important: In Japan, Office perpetual products included on Office preinstalled PCs sold for personal use, and a personal Microsoft account are required to redeem them and activate the Office apps.

Reinstall Office or Microsoft 365 apps

  1. Go to your Microsoft account dashboard , and if you're not already signed in, select Sign in

  2. Sign in with the Microsoft account you used to set up the Office or Microsoft 365 Forgot your account details? See I forgot the account I use with Office .

  3. Select the " Services and subscriptions " icon in the left pane in the main page

  4. If you can see the Office product name under " Products you've purchased ", select " Install " in it If you can see the " Install Microsoft 365 " in the upper right of the page, select it

  5. " Install Microsoft 365 " dialog opens

    1. Select a language from Choose a language

    2. Select a bit version from Choose a version If you're not sure which version is right for you, see Choose the 64-bit or 32-bit version of Office .

    3. Select Install

  6. Download the installer (OfficeSetup.exe) in your device

  7. Double-click the installer to install the Office or Microsoft 365

  8. The Installation dialog opens to start installation

  9. if the message, " You're all set " is shown, the installation is completed Select Close to close the dialog

  10. After your Office or Microsoft 365 installation is complete, you need to activate the applications. Be sure you're connected to the Internet and then open any application, such as Word or Excel.

  11. In most cases, Office is activated once you start an application and after you click Accept to agree to the Microsoft Software License terms.

  1. Go to your Microsoft account dashboard , and if you're not already signed in, select Sign in

  2. Sign in with the Microsoft account​​​​​​​ you used to set up the Office or Microsoft 365 Forgot your account details? See I forgot the account I use with Office .

  3. Select the " Services and subscriptions " icon in the left pane in the main page

  4. If you can see the Office product name under " Products you've purchased ", select " Install " in it If you can see the " Install Microsoft 365 " in the upper right of the page, select it

  5. " Install Microsoft 365 " dialog opens

    1. Select a language from Choose a language

    2. Select Offline installer from Choose a version

    3. Select Install

  6. Download the disk image file (.img)  (The file name of the downloaded file depends on the product name.)

  7. Double-click the disk image file to mount the virtual drive

  8. Select the Office folder from the virtual drive

  9. Double-click either the Setup32.exe to install the 32-bit version, or Setup64.exe to install the 64-bit version to begin the offline installation. If you're not sure which version is right for you, see Choose the 64-bit or 32-bit version of Office.

  10. The Installation dialog opens and the installation is started

  11. if the message, " You're all set " is shown, the installation is completed Select Close to close the dialog

  12. After your Office or Microsoft 365 installation is complete, you need to activate the applications. Be sure you're connected to the Internet and then open any application, such as Word or Excel.

  13. In most cases, Office is activated once you start an application and after you click Accept to agree to the Microsoft Software License terms.

See the articles also

Frequently asked questions for preinstalled Office

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.