Compressed file from a multi-volume archive (part 3)
File type: Archive and compressed file
An 003 file extension is used by several compression or split utilities for the third part of a multi-volume file. In order to extract the content of split archive, you first have to gather all its pieces and start the extraction of the first archive.
Found 5 different file type records with the same 003 filename suffix.
File type category:
Archive and compressed file
Date updated: July 19, 2025
The 003 file extension is associated with several archivers or compression tools, which are using, or did use in the past, the 003 file extension for its multi-volume files or archives, such as Winrar (see part3.rar) or 7-Zip (see 7z.003).
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.
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.
WinRAR (Microsoft Windows)
7-zip (Microsoft Windows)
PeaZip (Microsoft Windows)
StuffIt Deluxe for Mac (Apple macOS / Mac OS X)
StuffIt for Mac (Apple macOS / Mac OS X)
Xarchiver (Linux/Unix)
File Roller (Linux/Unix)
7-zip (Microsoft Windows)
PeaZip (Microsoft Windows)
Xarchiver (Linux/Unix)
File Roller (Linux/Unix)
WinRAR (Microsoft Windows)
7-zip (Microsoft Windows)
PeaZip (Microsoft Windows)
ZipZag (Microsoft Windows)
StuffIt Expander for Mac (Apple macOS / Mac OS X)
The Unarchiver (Apple macOS / Mac OS X)
StuffIt Deluxe for Mac (Apple macOS / Mac OS X)
StuffIt for Mac (Apple macOS / Mac OS X)
Xarchiver (Linux/Unix)
File Roller (Linux/Unix)
File type category:
Archive and compressed file
Date updated: February 1, 2019
The 003 file extension is among others associated with Drive Image 5, a disk cloning and backup utility for windows, developed by PowerQuest.
The 003 files are used for installation purposes. PowerQuest was later acquired by Symantec and the Drive Image application became the basis for Norton Ghost.
Drive Image (Microsoft Windows)
File type category:
Archive and compressed file
Date updated: September 12, 2017
File extension 003 is also used for 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 data file from various computer games.
Numerous programs use these files, but in most cases you can access them only if you have all the pieces.
The only way to "convert" these files would be to repack them to some different compressed archive.
SplitJoin (Microsoft Windows)
HJSplit (Microsoft Windows)
Total Commander (Microsoft Windows)
Splitter (Microsoft Windows)
SplitJoin (Microsoft Windows)
HJSplit (Microsoft Windows)
Total Commander (Microsoft Windows)
Splitter (Microsoft Windows)
File type category:
GIS, GPS navigation and map file
Date updated: March 28, 2018
The 003 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 *.003 files.
Possibly can be converted to other formats.
ArcGIS (Microsoft Windows)
File type category:
Various data file
Date updated: July 26, 2019
The 003 file extension is associated with Winfunktion Mathematik v8.0. An old German math program released in 1998.
The 003 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 003 files are still used in the newest versions for julia set fractals.
Winfunktion Mathematik Plus (Microsoft Windows)
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