: This is a compressed archive format created by 7-Zip . You need software like 7-Zip or WinRAR to extract it.
: In the context of "Lost Media," these files often contain "Screamer" videos (jump scares), experimental horror animations, or footage from cancelled LEGO video games or themes.
: Once extracted, use MediaInfo to check the video's metadata. This often reveals the original creation date and the software used to make it, which can debunk or confirm a "lost" media claim. Building instructions landing page - LEGO
: Use a tool like VirusTotal to upload the .7z file before opening it. LostLego.mp4.7z
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