If you’re trying to update the Office apps and the error 30088-26 appears, then you have two solutions. You can repair the installation, or you can uninstall and reinstall the apps. This process should work whether you’re using Microsoft 365 (Office 365), Office 2019, or Office 2016. In this guide, you’ll learn the steps to resolve problems when trying to update Office to the latest version on Windows 10.

How to repair Office installation to fix error 30088-26 on Windows 10 How to reinstall Office to fix error 30088-26 on Windows 10 How to update Office to latest version on Windows 10

How to repair Office installation to fix error 30088-26 on Windows 10

To repair an Office installation, use these steps: Once you complete the steps, try to update your version of Office again, and this time, you should no longer see the error 30088-26. Office modify installation option Office Online Repair option

How to reinstall Office to fix error 30088-26 on Windows 10

To uninstall and reinstall Microsoft Office, use these steps: After you complete the steps, the suite of Office 365 apps will reinstall on Windows 10, and you should no longer encounter errors trying to update to a new version. Office uninstall option Office 365 installer download

How to update Office to latest version on Windows 10

To update Microsoft Office 365, Office 2019, or Office 2016, use these steps: Once you complete the steps, Office will download and install the available updates without error messages. Office update option All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.