It likely uses older codecs like DivX, Xvid, or MJPEG .
In older Windows systems (FAT file systems), if a filename exceeded 8 characters or contained spaces, the system would truncate it to the first 6 characters, followed by a tilde ( ~ ) and a number (usually 1 ). Likely Context and Content 46~1.avi
Since it is an .avi file, you can expect the following technical characteristics: It likely uses older codecs like DivX, Xvid, or MJPEG
If you want to know what this video actually is without watching it, you can: 46~1.avi
Developed by Microsoft in 1992, it is a "wrapper" that can hold both audio and video data.