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*Details: File format summary

   
 

 

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Summary

Name MS DOS Compression format (KWAJ variant)
Version  
Other names  
Identifiers PUID:  fmt/469
Family  
Classification  
Disclosure  
Description The MS DOS compression format uses the LZSS algorithm to compress a single file into another single file, replacing the last character in the filename with an underscore. It is implemented via the MS DOS commands COMPRESS.EXE and EXPAND.EXE.
Orientation  
Byte order  
Related file formats None.
Technical Environment  
Released  
Supported until  
Format Risk  
Developed by None.
Supported by None.
Source Digital Preservation Department / The National Archives
Source date 25 Oct 2012
Source description A DOS compressed file will be named file.**_, so a .exe will look like file.ex_, a DOS compressed .jpg will look like file.jp_ etc.
Last updated 25 Oct 2012
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