An r66 file extension is associated with the RAR compression file format used by RAR and WinRAR compression tools. An r66 file contains part of a multi-volume archive.

Detailed description

Software that open r66 file

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R66 file extension - RAR compressed files from a multi-volume archive

What is r66 file? How to open r66 files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

r66 file icon: r66 filetype icon

The r66 file extension is related to the RAR compression file format developed by Eugene Roshal and introduced in 1993. It is used by the RAR for MS-DOS and WinRAR for Microsoft Windows.

The r66 file stores a part of multi-volume archive.

The default software associated to open r66 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.

Help how to open:

Use WinRar to extract files from archive.

How to convert:

Extract files from archive and then use another archive or backup software (like WinZip etc.)

List of software applications associated to the .r66 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 r66 file, edit r66 file, convert r66 file, view r66 file, play r66 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 r66 files.

Software that open r66 file - RAR compressed files from a multi-volume archive

Programs supporting the exension r66 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open r66 file action.

Microsoft Windows:

Main software associated with r66 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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