How to open Part 3 of a multi-volume archive in compressed file format .003 files
Have you had trouble opening the 003 file on your computer? What are 003 files? We explain what they are and recommend software that we know will open them.
What is 003 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.
Part 3 of a multi-volume archive in compressed file format description
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.
Suggested software to open 003 file

7-zip
Popular open source file archiver with a high compression ratio
There are other 003 filename extensions with the same .003 suffix
003 - Setup for Drive Image 5 file
An 003 file extension is also related to the Drive Image version 5 a backup tool. An 003 file contains setup data.
003 - Typically, part 003 of a split archive or backup file type
Files with 003 extension may also be one of the many split (parts) of an archive or backup file. The number relates to the numbering of the sequence of split files.
003 - International S-57 Hydrographic Data Electronic Navigation Chart File Type
Files with 003 file extension can also be found as navigation charts in International S-57 Hydrographic data format.
003 - Winfunktion Mathematic v8.0 Julia fractal file type
A 003 file extension is related to the Winfunktion Mathematik v8.0 Julia fractal data format.