To back up your game, simply copy the GTASAsf1.b file (or the entire "User Files" folder) to a USB drive or cloud storage. Installing Custom Save Files Location of save game - GTASA Gameplay & Help
If you are manually managing these files, here is the golden rule: gtasasf1.b
A standard San Andreas save file is exactly 202,752 bytes (0x31800) in size. It is neither compressed nor encrypted, but it is highly structured into 28 distinct "blocks" of data, each starting with the word "BLOCK". To back up your game, simply copy the GTASAsf1
These blocks store specific game states, including your current mission progress, character stats (muscle, stamina), weapons, money, and even precise vehicle locations in garages. To back up your game