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 ...

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 ...

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.

Change this value to 0x00000000, as shown in Figure 3. Now, open File Explorer, select the This PC screen, and refresh the display.

Want to make sure photos open in Photoshop, web pages open in Chrome, and text files open in Word? You can control which app launches when you open a file on a Windows PC or Mac. Here's how to set ...

Every data file on your PC should be associated with an application, so that opening the file will open the right program. But the official "right" program isn't always the right one for you.

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.