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To stop Excel files in a SharePoint Online library from opening in the browser, you can change the settings in the document library. Here’s how you can do it:
- Open the Document Library: Navigate to the SharePoint Online site and open the document library where your Excel files are stored.
- Library Settings: Click on the settings gear icon and select "Library Settings."
- Advanced Settings: In the Library Settings page, find and click on "Advanced settings."
- Opening Documents in the Browser: Look for the option "Opening Documents in the Browser" and set it to "Open in the client application."
- Save Changes: Make sure to save your changes.
This will ensure that Excel files open in the desktop application by default instead of the browser
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