: Often represents a version number (v1.20) or a release date (January 2020).
: Check the extensions of the files inside (e.g., .bin , .hex , .pdf ). MB_F_01_20.7z
Do you have about where the file came from or the device it is intended for? : Often represents a version number (v1
: Could stand for "Megabytes" (less likely) or a specific collection name. MB_F_01_20.7z