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 ...

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.

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

In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may ...

If you want a different app to always open a particular file type, here's how to do it.

Apps that open files In macOS, you can change what app opens a specific file type from the file itself. Right-click a file that you want to change the default app that opens, and select Get Info.

Click Open. If the app that you want to use to open the file type is greyed out, it's because macOS doesn't think there's a valid association between the two.

Windows 11 can make it easier to access your extensions through apps. Here's how. Windows 11 can keep track of the apps you open and set them by default for faster navigation.

To change your default file manager in Windows 11, open the Start menu, type the name of the third-party file explorer you installed, and select "Open File Location." ...

When you open files that have a particular file extension, Windows will look at its configuration to determine what the default program should be in order to work with these files. The default ...

If you’re tired of Windows opening files in the wrong apps, changing file associations may fix the problem. Here’s how to do it.