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RAR compressed files from a multi-volume archive
File type: Archive and compressed file
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.
File type category:
Archive and compressed file
Date updated: July 19, 2025
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.
Use WinRar to extract files from archive.
Extract files from archive and then use another archive or backup software (like WinZip etc.)
Software applications that can open r66 files:
Software apps that create r66 files:
Software apps that extract r66 files:
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