The following essay explores the history, function, and enduring legacy of the RAR compression format and the software that made it a household name for decades.

In the early 1990s, when hard drive space was measured in megabytes rather than terabytes, the need to shrink digital data was a necessity. In 1993, Russian software engineer Eugene Roshal developed the proprietary file format. Unlike the more common ZIP format, RAR was designed with advanced features like error recovery , data compression , and file spanning , which allowed large files to be broken into smaller, more manageable volumes. WinRAR: The "Infinite" Trial Period

The RAR format remains relevant because of several technical advantages: Need to open, create, or convert a RAR file? - WinZip