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
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Go to your Microsoft account dashboard , and if you're not already signed in, select Sign in
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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 .
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Select the " Services and subscriptions " icon in the left pane in the main page
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See the contents in the " Services and subscriptions " page
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If you can see the Office product name under " Products you've purchased ", select Install in it
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If you can see the " Install Microsoft 365 " in the upper right of the page, select it
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" Install Microsoft 365 " dialog opens
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Select a language from Choose a language
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Select a bit version from Choose a version
(If you're not sure which version is right for you, please see Choose the 64-bit or 32-bit version of Office.)
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Select Install in the dialog
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Download the installer (OfficeSetup.exe) in your device
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Double-click the downloaded installer
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The Installation dialog opens and starts installation
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if the message, " You're all set " is shown, select Close to close the dialog
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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.
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In most cases, Office is activated once you start an application and after you click Accept to agree to the Microsoft Software License terms.
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Go to your Microsoft account dashboard , and if you're not already signed in, select Sign in
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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 .
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Select the " Services and subscriptions " icon in the left pane in the main page
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See the contents in the " Services and subscriptions " page
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If you can see the Office product name under " Products you've purchased ", select Install in it
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If you can see the " Install Microsoft 365 " in the upper right of the page, select it
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" Install Microsoft 365 " dialog opens
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Select a language from Choose a language
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Select Offline installer from Choose a version
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Select Install in the dialog
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Download the disk image file (.img)
(The file name of the downloaded file depends on the product name.)
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Double-click the disk image file to mount the virtual drive
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Select the Office folder from the virtual drive
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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.
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The Installation dialog opens and starts installation
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if the message, " You're all set " is shown, select Close to close the dialog
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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.
-
In most cases, Office is activated once you start an application and after you click Accept to agree to the Microsoft Software License terms.
