46~1.avi

Based on the filename , this is a classic example of a shortened 8.3 filename (also known as an SFN or MS-DOS compatible name).

A tool like MediaInfo will show you the exact date the video was recorded, which can help you match it to a specific event or trip. 46~1.avi

While it's an older format, it is still widely supported by VLC Media Player, Windows Media Player, and QuickTime. How to Identify the "Real" Filename Based on the filename , this is a

Right-click the file, go to Properties , and click the Details tab. Sometimes the "Title" field remains intact even if the filename changed. Based on the filename