An installation of Microsoft 365 is initiated by various scenarios and any of them could generate an error. For example:
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You don't have an existing version of Microsoft 365 on your computer and get an error when you try to install a new version of Microsoft 365.
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You're trying to remove Microsoft 365 using the Control Panel and get an error.
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You have Microsoft 365 Family and want to switch to Microsoft 365 Personal. However, when you click Install for Microsoft 365 Personal, you get an error.
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You have Microsoft 365 Personal and want to switch to Microsoft 365 Family. However, when you click Install for Microsoft 365 Family, you get an error.
If you run into these or any other errors, here are some things you can try to fix the problem. We've listed the most common solutions first, so try them in order.Â
Restart your computer and reinstall Office
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Restart your computer.
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Reinstall Microsoft 365.
To reinstall Office, select the version you want to install and follow those steps.
Uninstall and reinstall Office
Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC.
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Select the button below to start the uninstall troubleshooter.
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Click Open if you get a pop-up window indicating This site is trying to open Get Help.
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Follow the prompts on the remaining screens and when prompted, restart your computer.
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Select the steps for the version of Office you want to install or reinstall.
Microsoft 365 | Office 2024 | Office 2021 |Â Office 2019 | Office 2016
Important:Â
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The uninstall troubleshooter currently can't uninstall Office 2024.
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Run the troubleshooter on the same Windows PC with the Microsoft 365 or Office product you want to uninstall.
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You need to be on Windows 10Â or higher to run the troubleshooter.
Tip: If the Microsoft 365 uninstall troubleshooter doesn't completely uninstall Microsoft 365 or Office from your PC, you can try to manually uninstall Office.