Header

Each MAB file starts with a 16-byte header. The header is formatted as such:

4 bytes - MAB File Version
4 bytes - CRC
8 bytes - Unknown

MAB File Version

The known file versions are as follows:

• 0x0000004C - Far Cry 2
• 0x00000061 - Far Cry 3
• 0x00000062 - Far Cry 3: Blood Dragon
• 0x00000081 - Far Cry 4
• 0x00000082 - Far Cry Primal
• 0x000000B0 - Far Cry 5 + New Dawn

CRC

It is unknown how the CRC is calculated.