Ver.rar | 480p |

These are the foundational versions of the format, though they have little formal documentation.

Introduced multimedia compression for bitmap images and audio, and increased the compression dictionary to 1 MB. Ver.rar

Added support for "solid" compression (grouping multiple files together for better ratios) and lossless WAV audio compression. RAR 4.0 (2011): Improved decompression speeds by up to 30%. These are the foundational versions of the format,