Once you know what’s in the video, rename it immediately to prevent it from getting lost in a sea of generic names. A helpful format is:

Right-click the file > Properties > Details . Look at the "Origin" or "Video" sections.

Use a free tool like Untrunc or Fix.video . These tools look at a healthy file from the same camera (like g077.mp4) to rebuild the headers of the broken one. 4. Better Naming Habits

Check the to see where it came from. This helps you determine if it’s a precious memory or junk: