To always open supported Office hyperlinks in Word, Excel, and PowerPoint desktop app instead of the browser, follow these steps: Open Microsoft PowerPoint, Word, or Excel.

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

To repair the Excel app, open Settings using Win+ and go to the Apps > Installed apps section. Now, look for the Microsoft Office app and press the three-dot menu button present next to it.

If you use Microsoft Excel on your Mac, you can save the spreadsheets you create and open them in Numbers, Apple’s spreadsheet app.

Open your first instance of Excel, and then right-click the Excel tile on the Start screen. Hold down the "Alt" key and click "Open New Window" on the Start screen taskbar.