In the search box, type ‘Default’ and select Choose a default app….Hit the Search Windows magnifying glass icon (located at the left hand side of your task bar).Note: You can execute the steps above in Windows 10 using the Default apps screen. Wait that the repair process is over, your files should now be opening with Office 365 by default.Then go ahead and highlight the Microsoft 365 entry as shown below.Hit the Windows button at the left hand side of your taskbar.If you are using Office 365 on your Windows 10 computer, you can define it as the default version as following:

Can you help me to define Office 365 as the default file opener for Word, Excel, PowerPoint and Visio files over older Office versions?” Set Office 365 / 2019 /2021 as default After the installation, all my documents, workbooks and presentations are showing up in the Windows File Explorer as unknown file types. “I’ve just installed a new version of Office 365 in my system but it’s clearly not defined as the default program for viewing and editing of Microsoft Office files. Here’s a question we received from one of our readers: Applicable to the following Office versions: 2019, 2016, 2013, 365 on Windows 7, 8 and Windows 10.

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