: "BBB" can also refer to Block-Based Backups used in enterprise software like Dell NetWorker. These backups are often compressed into archives for recovery purposes.
For recordings, these are meant to be re-imported into a BigBlueButton server for playback. BBB-0180.7z
: In older mobile forensics contexts, .bbb files were used for BlackBerry Desktop Manager backups. A .7z file might be a compressed container for these legacy backups. How to Access the Contents : "BBB" can also refer to Block-Based Backups
: BigBlueButton stores recordings in a raw format that is later processed. A .7z file with a "BBB" prefix often contains the raw media files (audio, video, and presentation slides) from a specific virtual classroom session. BBB-0180.7z