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*Details: File format summary



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Name ISO 9660 Disk Image File
Other names  
Identifiers PUID:  fmt/468
Classification Aggregate
Description ISO 9660 Disk Image File is a virtual image of optical disk, storing content and structure of an optical disc which can be transferred on the other media. This format specifically uses ISO 9660, a so-called original standard for file system for optical disc media, written by International Organization for Standardization (ISO) and considered an international technical standard available for many operating systems. A disk image is a uncompressed copy of the contents of a disk or a folder, it can facilitate certain types of backup and recovery strategies. Please see ID: fdd000348 from Library of Congress and other the links attached to this entry for further information.
Byte order  
Related file formats Has lower priority than Encase Image File/Expert Witness Compression File  
Has lower priority than UDF-ISO 9660 Bridge Disc  
Has lower priority than Apple Partition Map Disk Image  
Has lower priority than Apple Partition Map ISO 9660 Hybrid  
Has priority over Nero Burning ROM Image File (Generic)
Is subtype of UDF Disc Image  
Technical Environment  
Supported until  
Format Risk  
Developed by None.
Supported by None.
Source Digital Preservation Department / The National Archives
Source date 25 Oct 2012
Source description 08/2023 (v.113)- Max-offset modified for the BOF signature to allow for more exact signature identification. Internally researched.
Last updated 15 Aug 2023
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