1 Introduction The exFAT file system is the successor to FAT32 in the FAT family of file systems. This specification describes the exFAT file system and provides all the information necessary for implementing the exFAT file system. 1.1 Design Goals The exFAT file system has three central design goals (see list below). Retain the simplicity of FAT-based file systems. Two of the strengths of FAT-bas