An r12 file extension is related to the Split Multi-volume RAR compressed file archive (part 14).

There is one other file type using
the R12 file extension!

r12 icon.r12 - Norton Ghost rar archive

Detailed description

Software that open r12 file

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R12 file extension - Split Multi-volume RAR compressed file archive (part 14)

What is r12 file? How to open r12 files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

r12 file icon: r12 filetype icon

The r12 file extension is associated with WinRAR. Its one part of a multi-volume compressed RAR archive.

Some RAR files can be parts of a multi-volume sequences. In WinRAR you can split a huge archive to a few smaller files, which are called volumes.

Older versions of WinRAR used either:

  • *.rar or *.exe (SFX) for first volume
  • *.r01, *.r02, *.r03 .... etc. for any additional volumes


  • *.rar or *.exe (SFX) for first volume
  • *.001, *.002, *.003 .... etc. for any additional volumes

The newer versions of WinRAR are using:

  • *.rar or *.exe (SFX) for first volume
  • *.part1.rar, *.part2.rar, *.part3.rar .... etc. for any additional volumes

In order to unpack the multi-volume RAR archive, you need to place ALL of the split parts in the same directory and start extraction of the first volume. The program will automatically use all of the parts to extract the content of the archive.

Updated: April 6, 2024

The default software associated to open r12 file:

WinRAR icon

win.rar GmbH logoWinRAR  Microsoft Windows software

Company or developer:
win.rar GmbH

A file compression and archive utility. Along with WinZip and 7-Zip is one of the most common compression programs for Windows. Its native format is as the name implies RAR and uses rar file extension.

WinRAR is a powerful archive manager. It can backup your data and reduce the size of email attachments, decompress RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format.

WinRAR is also able to unpack CAB, ARJ, LZH, TAR, GZ, ACE, UUE, BZ2, JAR, ISO, 7Z, Z archives. It consistently makes smaller archives than the competition, saving disk space and transmission costs. WinRAR offers a graphic interactive interface utilizing mouse and menus as well as the command line interface.

Related articles:

Useful information about multi-volume archives

Help how to open:

A *.r12 file is only one part of RAR multi-volume archive. If you want to extract this file, you must have all parts of the RAR multi-volume archive. Open the first part of RAR multi-volume archive in WinRAR application and extract files from RAR multi-volume archive.

How to convert:

It is not possible to convert only one part of RAR multi-volume archive. Only complete RAR archive can be converted in to another archive or compression format. The easiest way how to convert complete RAR multi-volume archive is to decompress the RAR archive with the use of WinRAR and repack the content with another compression or archive application of your choice.

List of software applications associated to the .r12 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open r12 file, edit r12 file, convert r12 file, view r12 file, play r12 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 r12 files.

Software that open r12 file - Split Multi-volume RAR compressed file archive (part 14)

Programs supporting the exension r12 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open r12 file action.

Microsoft Windows:

Main software associated with r12 file by default:
WinRAR small icon WinRAR
Other suggested software:
7-zip small icon 7-zip

Apple macOS / Mac OS X:


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