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.

You can view a Text file in Command Prompt or PowerShell in Windows 11/10. You can view the entire content of TXT, a specific line, etc.

The Windows operating system uses the file extension to understand how to open a file. For example, when you double-click to open a TXT file, Notepad probably opens it.

The same problem also applies when right-clicking on a .txt file and choosing “Open With” and “Always Use This App.” from the drop-down menu. Windows 10 will initially open it up correctly ...