Ar.part01.rar -

: RAR archives often include a Recovery Record , a feature that allows the software to repair the file if a small amount of data becomes corrupted during download or transfer. Why this is used

A primary feature of a file named is that it is a multi-volume archive (also known as a split archive). Key Feature: File Spanning (Split Archives) AR.part01.rar

Splitting files into parts like this is often done to bypass file size limits on email attachments, cloud storage, or older file systems, and to make it easier to resume interrupted downloads. : RAR archives often include a Recovery Record