Details: File format summary

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Summary
Name	exFAT (Extensible File Allocation Table) Disc Image
Version
Other names
Identifiers	PUID: fmt/1609
Family
Classification	Aggregate
Disclosure
Description	The Extensible File Allocation Table is a file system introduced by Microsoft in 2006, mainly for use in flash memory, such as USB flash drive and SD memory cards. It was a proprietary format until 2019, when Microsoft published its specification (https://docs.microsoft.com/en-us/windows/win32/fileio/exfat-specification). It may be possible and desirable to distinguish between different types of exFAT image. Please contact the PRONOM team if you can assist with this.
Orientation
Byte order
Related file formats	Has priority over FAT Disk Image
Technical Environment
Released
Supported until
Format Risk
Developed by	Microsoft Corporation
Supported by	Microsoft Corporation
Source	National Library of Australia / National Library of Australia
Source date	25 Jan 2022
Source description
Last updated	25 Jan 2022
Note	https://docs.microsoft.com/en-us/windows/win32/fileio/exfat-specification