It uses advanced algorithms like Lempel-Ziv and PPMd to find repeating patterns in data, reducing the overall storage footprint by 10% to 30% more effectively than the standard .zip format.
This file is a "Roshal Archive" (RAR), a proprietary format developed to shrink large data sets into a more manageable size.
Rather than sending hundreds of small update files individually, they are bundled into this single container to simplify the distribution of technical updates. 2. Key Technical Capabilities Need to open, create, or convert a RAR file? - WinZip
