![]() FAT32 implementations in other operating systems allow an unlimited number of files up to the number of available clusters (that is, up to 268,304,373 files on volumes without long filenames). Microsoft documents a limit of 65,534 (2 16 − 2) files per sub-directory for their FAT32 implementation, but other operating systems have no special limit for the number of files in a FAT32 directory. Support for up to 2,796,202 files per directory.Scalability to large disk sizes: about 128 PB ( 2 57 − 1 bytes) maximum, 512 TB ( 2 49 − 1 bytes) recommended maximum, raised from the 32-bit limit (2 TB for a sector size of 512 bytes) of standard FAT32 partitions.Other specifications, features, and requirements of the exFAT file system include: Therefore, for the typical user, this enables seamless interoperability between Windows and macOS platforms for files in excess of 4 GB. The entire File Allocation Table (FAT) family, exFAT included, is used for embedded systems because it is lightweight and is better suited for solutions that have low memory and low power requirements, and can be easily implemented in firmware.īecause file size references are stored in eight instead of four bytes, the file size limit has increased to 16 exabytes (EB) ( 2 64 − 1 bytes, or about 10 19 bytes, which is otherwise limited by a maximum volume size of 128 PB, or 2 57 − 1 bytes), raised from 4 GB ( 2 32 − 1 bytes) in a standard FAT32 file system. Most of the vendors signing on for licenses are manufacturers of embedded systems or device manufacturers that produce media formatted with exFAT. History ĮxFAT was introduced in late 2006 as part of Windows CE 6.0, an embedded Windows operating system. Windows 8 and later versions natively support exFAT boot, and support the installation of the system in a special way to run in the exFAT volume. 4 GB) is required.ĮxFAT has been adopted by the SD Association as the default file system for SDXC cards larger than 32 GB. ĮxFAT can be used where NTFS is not a feasible solution (due to data-structure overhead), but where a greater file-size limit than that of the standard FAT32 file system (i.e. Microsoft owns patents on several elements of its design. exFAT was proprietary until 28 August 2019, when Microsoft published its specification. Android 13 and some devices running previous versionsĮxFAT ( Extensible File Allocation Table) is a file system introduced by Microsoft in 2006 and optimized for flash memory such as USB flash drives and SD cards.Linux (mainline kernel driver for kernels 5.4 and later and FUSE ).Windows XP (including 圆4) SP2 and later (optional ). ![]() Yes, EFS supported in Windows 10 v1607 and Windows Server 2016 or later. Read-only, hidden, system, subdirectory, archive BDP/ GPT: EBD0A0A2-B9E5-4433-87C0-68B6B72699C7Īll Unicode characters except U+0000 ( NUL) through U+001F ( US) / ( slash) \ ( backslash) : ( colon) * ( asterisk) ? ( question mark) " ( quote) ( greater than) and | ( pipe). ![]()
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