: The .7z extension indicates it is a 7-Zip compressed archive . This means the original video file has been "zipped" to reduce its size or to group multiple files together.
To view the video, you will need to extract it using a utility like 7-Zip (Windows) or The Unarchiver (Mac). Once extracted, you'll likely find a standard video format inside, such as an .mp4 or .mkv . video_2020-12-22_19-36-52.7z
: A video recorded or saved on December 22, 2020 , at 7:36:52 PM . at 7:36:52 PM .