Microsoft in 2006 and optimized for flash memory such as USB flash drives and SD cards. Nfs14.exe 64 bit has been adopted by the SD Card Association as the default file system for SDXC cards larger than 32 GiB.
FAT was first introduced in late 2006 as part of Windows CE 6. 0, an embedded Windows operating system. Most of the vendors signing on for licenses of exFAT are either for embedded systems or device manufacturers that produce media that will be preformatted with exFAT. Scalability to large disk sizes: ca. Support for up to 2,796,202 files per directory.
Free space allocation and delete performance improved due to introduction of a free space bitmap. Boundary alignment offset for the FAT table. Boundary alignment offset for the data region. Provision for OEM-definable parameters to customize the file system for specific device characteristics.