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 ...

How to change the default program a file opens with in Windows 7 When you open files that have a particular file extension, Windows will look at its configuration to determine what the default ...

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.

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.

You can change file associations on Windows 10 in three ways. Use ‘Open With’ to quickly change the program for one file type, Default Program Settings to change multiple file associations ...

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.

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

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 ...

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.

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.

In the "Get Info" window, expand the "Open With" section and select a new application to use as the default for launching these types of files. Exit the window to save your changes.

If you cannot associate file extension to application & see The program you selected cannot be associated with this file type error, see this fix.