3D assets are data-heavy. RAR algorithms can significantly shrink the size of texture folders and cache data, making it faster to upload to cloud storage or send to a render farm.
Because these project directories can grow to several gigabytes and contain hundreds of individual files, they are difficult to move or upload in their raw state. The RAR Format: The Digital Container maya-rar
This is where the RAR (Roshal Archive) format becomes vital. RAR is a proprietary archive file format that supports data compression, error recovery, and file spanning. For a Maya artist, "RARing" a project serves three main purposes: 3D assets are data-heavy