: This is the file extension , signaling that the file was created using the WinRAR or RAR compression algorithm. The Role of Multi-Part RAR Archives

: Extraction software typically begins with the first part and automatically requests or moves through subsequent parts like "part37" to rebuild the original file.

A multi-part RAR archive is a single logical unit split across multiple physical files. To access the data within "part37," a user typically needs in the sequence (e.g., part01 through part37 and any subsequent parts).