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This file format supports archive and file sizes of up to 8589 billion gigabytes. Transmission costs are saved by using file extension 004, while providing total support for ZIP and RAR archives. It also has the ability to unpack 7Z, ISO, JAR, BZ2, UUE, ACE, GZ, TAR, LZH, ARJ, Z, and CAB archives. In addition, it offers a graphic interface that is interactive and uses menus and a mouse, in addition to the command line interface. This file does not require the purchase of extras for the creation of self-extracting files.

Cannot open 004 files?

Not being able to open 004 files may be the result of not having the appropriate application installed or Operating System issues. You should ensure

1. The appropriate program is installed
2. Check your Operating System for invalid registry entries and other speed issues.

Another file that uses 004-file extension is a digital file that is vector based, and is used for marine navigation using marine features. The standard that this file is based on is the (IHO) International Hydrographic Organization. The .000 file extension is a base cell for NOAA ENC and is used for updating. The first cell update will be .001, the next being .002, and so on. Yet another file that uses this file designation is found in the CD ROM for Golden Orchard Apple II. It is listed as an unknown Apple II file.