Q: My grandson is a great source of music and movies for me to enjoy. He often sends me links I download and watch on my old PC. But they’re in a wide variety of formats and some don’t work on my ...

Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, [PortalRunner] has ...

Want to know how to play a weird video file on your Mac? Don’t worry – there’s probably a simple solution. There are dozens of video file formats, with more being added all the time, and it’s ...