This is the etymology given in the Collins English Dictionary.ref Collins The word which is widely believed to be the root and one of the ones quoted by the Oxford English Dictionary is .
exFAT is an improved version of FAT32. It isnât as efficient as NTFS (Windows) but is cross compatible between Windows OS and Mac OS (since 10.6.5), unlike NTFS and HFS+. I recommend using it when compatibility between Mac and Windows is important, at the (small) cost of efficiency (such as file size bloating, transfer speeds, general performance). exFAT is the preferred format for flash memory, used for media such as SD cards and SSD. Written Jun 22.
The exFAT file system. The exFAT (Extended File Allocation Table) is a Microsoft file system that is compatible with Windows and Mac OS 10.6+. It is also compatible with many media devices such as TVs and portable media players. exFAT has the following properties: exFAT partitions can extend up extremely large disc sizes.