In the Control Panel window, click the “Uninstall a program” link. When you’re ready, click Start, type “Control Panel,” and then hit Enter or click the result. The online repair option is pretty good about keeping your preferences in place–and it won’t affect any of your documents–but we recommend trying the quick repair first and then using the online repair if your problem isn’t resolved.īefore you get started, go ahead and save any open Office documents and then close all your Office programs. It takes longer to run and requires an internet connection, but it performs a more complete repair job. This type of repair actually uninstalls and reinstalls Office. This type of repair goes pretty quickly, but it only tries to detect and replace any corrupt files in your Office installation–similarly to what the System File Checker tool does for Windows. You can choose one of two options when you perform a repair:

It can also help resolve issues that poorly-written add-ins can sometimes cause. It isn’t as good at solving specific problems–especially with Outlook–as the troubleshooting tool that business owners can use, but it is good at helping to resolve installation problems and often for fixing individual Office programs that won’t start or keep crashing on you. Whether you’re using Office 365 Home or Business, you can try to repair an Office 365 installation by re-running its Setup program from the Control Panel. RELATED: How to Scan for (and Fix) Corrupt System Files in Windows All Office 365 Users: Repair an Office Installation from the Control Panel

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