If you can't change default app by file type in Windows 11/10, then reset the problematic app, remove file type association, etc.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

In this case, you should remove file type associations for the file to stop opening the file with the associated app by default.

Do you want to open a file type or link with a specific app? Here's how to change the default app settings on Windows 11.

Mac OS X computers use a default application to open every file type based on its file extension. If you don't want to use the default application when opening a file, you can select "Open With ...

Microsoft has made it harder to choose which apps handle standard file types. Follow these steps to set default apps for all your documents, images, music files, and more.

How to temporarily launch a file in a different app This is very easy and it won’t change the way your Mac treats files of that type in the future.

There's another way you can change a file type's associated app in macOS: Right-click (or Ctrl-click) on the file in a Finder window and select Get Info.

Now that you’ve changed the default program for this file, the button for Change All is active. This button will set your Mac to use the selected application to open files of this type.

Microsoft has made it harder to choose which apps handle standard file types. Follow these steps to set default apps for all your documents, images, music files, and more.