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 ...

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 ...

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

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.

When you double-click on a file in Windows XP, the operating system will automatically open the file using a program that has been is associated with the file's extension. It is possible ...

Choose the This PC option from the Open File Explorer to drop down menu. As helpful as it may be to get File Explorer to display This PC by default, there is one more trick that I want to show you.

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.

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 ...