Open R21 file

The most commonly used .r21 file type: Split Multi-volume RAR compressed file archive (part 23)

What is r21 file? Understanding and opening r21 files

r21 file icon Are you facing difficulties opening r21 files on your computer, or wondering exactly what r21 file is?
We've got the best software solutions for opening r21 files effortlessly.

.r21 file type #1: Split Multi-volume RAR compressed file archive (part 23)

Files with r21 extension are mainly RAR archives, or rather it is one part of a big RAR archive. You will need all the parts in order to extract the data.

Further details

The r21 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

Or:

  • 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.

Open r21 file with:

WinRAR icon

WinRAR

One of the oldest and most popular shareware file archiver and data compression utility

.r21 file type #2: Norton Ghost rar file

Files with r21 extension are associated with Norton Ghost software. It is a backup file saved in RAR compression file format.

Further details

The r21 file extension is used by Norton Ghost. Backup file in RAR compression format. The .r21 file extension is most often used by WinRAR for split archive file. This file format is described at this site

Open r21 file with:

Norton Ghost icon

Norton Ghost

Older disk cloning and backup utility from Norton

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

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Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

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