There is one other file type using
the 021 file extension!

021 file icon.021 - Winfunktion Mathematic v8.0 Julia fractal file

Detailed description

Software that works with 021 file extension

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021 file extension - Split file or Compressed file from a multi-volume archive (part 21)

What is 021 file? How to open 021 files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

021 file icon: 021 filetype icon

The 021 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. It is also associated with several archivers or compression tools, which are using, or did use in the past, the 021 file extension for its multi-volume files or archives, such as Winrar (see part21.rar) or 7-Zip (see 7z.021).

In case of split files, you will need to merge them first with the use of the splitting/joining software tool, before you can open or work with them. If the files are compressed multi-volume archives, you will have to extract the first one and it will automatically continue to extract all the parts. In either case, you will need ALL the parts to access the original content.

The default software associated to 021 file type:

7-zip icon

Igor Pavlov logo 7-zip  Microsoft Windows software

Company or developer:
  Igor Pavlov

7-Zip is a free file archiver developed by Igor Pavlov featuring higher compression ratios with LZMA and LZMA2 compression. It is mainly available for Windows platform (for Mac and Linux are available command line tools) and is the primary program to handle 7z archives. However, also supports various compression file formats.

HJSplit icon

HJSplit  Microsoft Windows software

Company or developer:

HJSplit is a popular set of freeware file-splitting programs created by in collaboration with various programmers.

Split File Shell Extension picture or screenshot

Split File Shell Extension  Microsoft Windows software

Company or developer:
  BERGER Laurent

Split File Shell Extension is used to help users to split large files to smaller pieces, directly onto floppies or to any other drive system (local or remote) on your computer (this includes CD-RW and tapes drives).

Total Commander icon

Total Commander  Microsoft Windows software

Company or developer:
  Ghisler Software GmbH

Total Commander is a file manager for Windows, a program like Windows Explorer to copy, move or delete files. However, Total Commander can do much more than Explorer, e.g. pack and unpack files, access ftp servers, compare files by content, etc!

Help how to open 021 files:

To open or use the split file, you will need to first joint the file with the original splitting software. In case of multi-volume archive, just put all the parts in same directory and extract the first part.

How to convert file with extension 021:

In order to convert the original split file to something else, you will need to merge it first using the original splitting tool. In case of multi-volume archive, its not possible to convert only one part of it. 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.

List of software applications associated to the .021 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open 021 file, edit 021 file, convert 021 file, view 021 file, play 021 file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the 021 files.

  • Open 021 file
  • Create 021 file
  • Extract 021 file

Software that open 021 file - Split file or Compressed file from a multi-volume archive (part 21)

Click on the link to get more information about listed programs for open 021 file action.

Microsoft Windows:

Main software associated with 021 file by default:
7-zip small icon 7-zip
HJSplit small icon HJSplit
Split File Shell Extension
Total Commander small icon Total Commander
Other suggested software:
WinRAR small icon WinRAR

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