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*Details: File format summary



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Name exFAT (Extensible File Allocation Table) Disc Image
Other names  
Identifiers PUID:  fmt/1609
Classification Aggregate
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 ( 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.
Byte order  
Related file formats Has priority over FAT Disk Image  
Technical Environment  
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
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