FAT32 only provides 32bit per timestamp, thus 2-second granularity (as of Brian Carriers book "File System Forensic Analysis"). exFAT uses 10ms granularity ...
FAT is used internally for the [[EFI system partition]] in the boot stage of [[Extensible Firmware Interface|EFI]]-compliant computers.<ref name="efi" />
FAT is still used in drives expected to be used by multiple operating systems, such as in shared Windows, and [[Linux]] and DOS environments. Microsoft Windows additionally comes with a pre-installed tool to convert a FAT file system into NTFS directly without the need to rewrite all files, though this cannot be reversed easily.<ref>{{cite web |date=11 July 2021 |title=How to Convert a Drive from FAT32 to NTFS without Data Loss |url=https://windowsloop.com/how-to-convert-a-drive-from-fat32-to-ntfs-without-data-loss/ |url-status=live |archive-url=https://web.archive.org/web/20210808233345/https://windowsloop.com/how-to-convert-a-drive-from-fat32-to-ntfs-without-data-loss/ |archive-date=2021-08-08 |access-date=8 August 2021 |website=WindowsLoop |language=en-us}}</ref> The FAT file system is used in removable media such as [[floppy disk]]s, [[superfloppy|super-floppies]], [[memory card|memory]] and [[flash memory]] cards or [[USB flash drives]]. FAT is supported by portable devices such as [[Personal digital assistant|PDA]]s, [[digital camera]]s, [[camcorder]]s, [[Portable media player|media player]]s, and mobile phones.{{cn|date=September 2024}}
The [[Design rule for Camera File system|DCF]] file system adopted by almost all [[digital camera]]s since 1998 defines a logical file system with [[8.3 filename]]s and makes the use of either FAT12, FAT16, FAT32 or exFAT mandatory for its physical layer for compatibility.<ref name="DC-009-2010" />
