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

There is one other file type using
the R21 file extension!

r21 icon.r21 - Split Multi-volume RAR compressed file archive (part 23)

Detailed description

Software that open r21 file

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R21 file extension - Norton Ghost rar file

What is r21 file? How to open r21 files?

File type specification:

Backup file type icon Backup file type

r21 file icon: r21 filetype icon

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

The default software associated to open r21 file:

Norton Ghost icon

Symantec Corporation logoNorton Ghost  Microsoft Windows software

Company or developer:
Symantec Corporation

Norton Ghost is popular disk cloning and backup utility developed by Symantec for Microsoft Windows. Norton Ghost supports Full system backup, file and folder backup, compression and encryption of backup, disk cloning etc.

Help how to open:

Use WinRAR to open .r21 Norton Ghost file.

How to convert:

Currently there is no specific information available.
For general information try to look at:
Basic info how to convert backup files

List of software applications associated to the .r21 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 r21 file, edit r21 file, convert r21 file, view r21 file, play r21 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 r21 files.

Software that backup r21 file - Norton Ghost rar file

Programs supporting the exension r21 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Norton Ghost for backup r21 file action.

Microsoft Windows:

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