It uses proprietary algorithms to shrink file sizes more effectively than standard ZIP files.
A RAR file (Roshal Archive) is a compressed data container developed by Eugene Roshal. It is used to bundle multiple files or folders into a single, smaller package for easier storage or transfer.
If the file is part of a larger set, you might see related extensions like .r00 , .r01 , or .part1.rar . 2. Safety Precautions
Because RAR files can contain executable scripts or malware, you should verify its safety before opening—especially if you did not expect to receive it.