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 ...

If you are unable to open an MP4 file on our media player, try changing the video format. There are many good video converters available on the internet that can help you convert your MP4 to MP3, AVI, ...

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 ...