What is .B&W file?
Saved game file created by Grand Theft Auto III (GTA3), an automotive-based action game; used by multiple editions of GTA3, including Vice City and San Andreas; saves gameplay information so the game can be resumed from the save point at a later time.
GTA3 saved games are stored in a subdirectory of the My Documents folder by default. For example, GTA3: San Andreas saves "B" files in the following directory:
C:\Documents and Settings\[username]\My Documents\GTA San Andreas User Files\
Recommended Software Programs to open .B&W file