Files that contain the 002 extension are associated with multi-volume file archives, which are single compressed archives split into several small files. The file extension 002 is one of a series of the small files which are typically seen in a succession of 001,002, and 003, etc., and is used by a variety of different compression utility tools.
Multi-volume archive files that contain a 002 file were originally created with the inception of a floppy disk, which had very little storage capacity. In order to store more files on a floppy disk, multi-volume file archives represented the solution since they are in a compressed format. Multi-volume archives also continued to be used with the implementation of CD and DVD technology since the ISO standard at the time was only 2GB for files. In order to store files on a CD, it was necessary to split and compress them prior to burning them to a CD.
In the present day, it is common to see multi-archive files used on the Internet for P2P file sharing. They are also used for large files you would like to send as an email attachment to speed up the transmission and work around the file size limitations imposed by some email clients.
How to Open 002 Files
In order to open 002 files, you must have the general file sequence of the split files such as 001,002, 003, 004, and so on. This is because there are cases where the 002 file is part of a series of split files for a single large compressed file, instead of meaning part 2 of compressed files.
Before you can open 002 files you must split the files into one file using a file splitting tool such as File Splitter, JR Split File Pro, and GSplit file splitting software. Once you have successfully split the files, you can use a compression utility tool to extract the data from the merged file.
If you use Windows, you can use 7-Zip, WinRAR, or ZipZag to open and view the contents of a 002 file. Programs such as Smith Micro Stuffit Deluxe and Freebyte HJSplit are also effective for opening 002 file in Windows.
For Mac OS X, you can open and view 002 files using StuffIt Expander for Mac, The Unarchiver, or RAR for Mac OS X. You can also opt to use Smith Micro Stuffit Deluxe 2011 or Split and Concat which will open 002 files contained in a multi-volume file archive.
If you use Linux or Unix, you can open 002 files with Xarchiver, File Roller, or RAR for Linux. You can also use PeaZip, which is multiplatform and works with Windows and Mac OS X as well.