When you click "Open," you’re essentially playing digital roulette. Here are the most likely candidates:

However, be warned: early AVI files are notorious for codec issues. You might get audio with no video, or a pixelated mess that looks more like modern art than a memory. Why We Should Keep Them

A shaky, low-resolution clip of a birthday party where everyone is wearing clothes that are now "vintage."

Check out these tips for naming your files so you never have to guess what's in an AVI again.