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*Details: File format summary



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Name Encase Image File Format/Expert Witness Compression Format
Other names  
Identifiers MIME:  application/encase
PUID:  fmt/803
Description Expert Witness was the original name for EnCase, as such this format can be referred to as either Expert Witness Compression Format or Encase Image File Format. The format is used to store media images for forensic purposes. They are a type of disk image containing the contents and structure of an entire data storage device, disk volume or even a computer's physical memory. This format creates segments which have different file extensions, the first will have the extension '.e01'. this increases first numerically upto '.e99' the next extension will be '.eaa' increasing to an estimated limit of '.zzz'.
Byte order  
Related file formats None.
Technical Environment  
Supported until  
Format Risk  
Developed by None.
Supported by None.
Source Digital Preservation Department / The National Archives
Source date 27 Nov 2015
Source description  
Last updated 28 Sep 2020
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