It uses a proprietary algorithm that often provides better compression than standard .zip files.
The archive often houses a DJVU file, a high-compression format used for scanned documents. 039.rar
One of the most frequent historical occurrences of is as a digital archive for the Soviet-era book series "В помощь радиолюбителю" (Help for the Radio Amateur). It uses a proprietary algorithm that often provides
The filename also appears frequently on academic portals as a container for textbook solutions and exercise manuals. 039.rar
Swedish police research documents mention "RAR-reports" as a standard format for incident reporting.