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Compressed file from a multi-volume archive (part 4)
File type: Archive and compressed file
An 004 file extension is frequently used for split or compressed multi-volume archives. In order to extract them, you need all volumes in single directory and use appropriate program.
Found 4 different file type records with the same 004 filename suffix.
File type category:
Archive and compressed file
Date updated: July 19, 2025
The 004 file extension is associated with several archivers or compression tools, which are using, or did use in the past, the 004 file extension for its multi-volume files or archives, such as Winrar (see rar) or 7-Zip (see 004).
The general file sequence is 001, 002, 003, etc.. and you will need all parts of the multi-volume archive to successfully extract the content.
In some cases, the 004 file extension doesn't mean the first part of the multi-volume archive, but the fourth part of split file.
The first thing you have to do is to merge split files (001, 002, 003, etc.) in to one file (usually split archive) via split tools. Afterwards you can use a compression utility to extract data from the merge archive.
To open or extract the content of the multi-volume archive just put all the parts in same directory and extract the first part in your favourite archiver, such as WinRar or 7-Zip.
Only complete archive can be converted in to another archive or compression format. The easiest way how to convert complete multi-volume archive is to decompress the archive with the use of supported archiving or compression tool and repack the content with another compression or archive application of your choice.
Software applications that can open 004 files:
Apple macOS / Mac OS X
Linux/Unix
Software applications that can edit 004 files:
Apple macOS / Mac OS X
Linux/Unix
Software capable of saving 004 files:
Apple macOS / Mac OS X
Linux/Unix
Software apps that create 004 files:
Linux/Unix
Software apps that extract 004 files:
Apple macOS / Mac OS X
Linux/Unix
Multi-volume, also multi-part or split archives, were and are still used by many users. It is basica...
File type category:
Archive and compressed file
Date updated: September 21, 2018
The 004 file extension is generally associated with split files.
A part of larger file split using splitter software, such us HJSplit, WellTek 001 File Joiner & Splitter, SplitJoin or File Managers, such as Total Commander.
Any additional split files use the 001,002,003...etc. file sequence.
You will need to merge them first with the use of the splitting/joining software tool, before you can open or work with them.
It can be also big game source data file from various computer games.
Use compatible tools to work with *.004 files.
Probably cannot be exported to other formats.
Software applications that can open 004 files:
Microsoft Windows
Software apps that create 004 files:
Microsoft Windows
File type category:
GIS, GPS navigation and map file
Date updated: May 17, 2019
The 004 file extension is also used for International S-57 Hydrographic Data Electronic Navigation Chart format.
A vector-based digital file containing marine features suitable for marine navigation. The file is based on the International Hydrographic Organization (IHO) S-57 standard.
The file extension, ".000," for a base NOAA ENC cell is used for updating. The first update for a cell will be ".001" the next ".002" and so forth.
The file extension .031 is used for catalog data (metadata) relating to the chart data.
Use compatible tools to work with *.004 files.
Probably can be exported to other formats.
Software applications that can open 004 files:
Microsoft Windows
File type category:
Various data file
Date updated: July 29, 2019
Record marked as obsolete and not updated for a long time.
The 004 file extension is associated with Winfunktion Mathematik v8.0. An old German math program released in 1998.
The 004 files are used for julia set mathematics fractals.
The current and latest version of Winfunktion Mathematik is 22. There are no information available if the 004 files are still used in the newest versions for julia set fractals.
Software applications that handle other tasks involving 004 files:
Microsoft Windows
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