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exFAT (Extensible File Allocation Table) is a file system optimized for flash memory such as USB flash drives and SD cards, that was introduced by Microsoft in 2006. [ 7 ] exFAT was proprietary until 28 August 2019, when Microsoft published its specification. [ 8 ]
It is loosely based on the File Allocation Table architecture, but incompatible, proprietary and protected by patents. [61] exFAT is intended for use on flash drives and memory cards such as SDXC and Memory Stick XC, where FAT32 is otherwise used. Vendors usually pre-format SDXC cards with it.
The FAT file system is a file system used on MS-DOS and Windows 9x family of operating systems. [3] It continues to be used on mobile devices and embedded systems, and thus is a well-suited file system for data exchange between computers and devices of almost any type and age from 1981 through to the present.
VFAT – Optional layer on Microsoft Windows FAT system to allow long (up to 255 character) filenames instead of only the 8.3 filenames allowed in the plain FAT filesystem. FATX – A modified version of Microsoft Windows FAT system that is used on the original Xbox console. FFS (Amiga) – Fast File System, used on Amiga systems. This FS has ...
Windows 7 also supports the newer exFAT file system. As the ReadyBoost cache is stored as a file, the flash drive must be formatted as FAT32, NTFS, or exFAT in order to have a cache size greater than FAT16's 2 GB filesize limit; if the desired cache size is 4 GB (the FAT32 filesize limit) or larger, the drive must be formatted as NTFS or exFAT.
Needs 3rd-party drivers like Paragon NTFS for Win98, DiskInternals NTFS Reader: Yes No Yes with ntfs-3g? Yes with ntfs-3g: No Yes with ntfs-3g? With third party tools Apple HFS: No Yes No write support since Mac OS X 10.6 and no support at all since macOS 10.15 No Needs Paragon HFS+ [73] Yes No ? Yes No ? No No Apple HFS Plus: No
The Transaction-Safe FAT File System (TFAT) of the TFAT12, TFAT16 and TFAT32 file systems is a driver layer modification to the original FAT file systems FAT12, FAT16 and FAT32 maintaining two copies (FAT 0 and FAT 1) of the file allocation table instead of two identical ones. While performing a drive operation, changes would be made to FAT 1.
Windows makes use of the FAT, NTFS, exFAT, Live File System and ReFS file systems (the last of these is only supported and usable in Windows Server 2012, Windows Server 2016, Windows 8, Windows 8.1, and Windows 10; Windows cannot boot from it). Windows uses a drive letter abstraction at the user level to distinguish one disk or partition from ...