You cannot open this file in isolation. You must have all parts (part1, part2, part3... part20) in the same folder on your computer. Using a program like WinRAR or 7-Zip , you only need to right-click on the first part ( 0001-0020.part1.rar or 0001-0020.part01.rar ) and select "Extract Here." The software will automatically read the subsequent parts—including part 3—to rebuild the original file [1]. Safety and Context
This file is the third installment of a large collection that has been split into smaller, manageable chunks (likely 20 parts total, based on the 0001-0020 naming convention) [1]. 0001-0020.part3.rar
Splitting files is used to overcome file size limits on file-hosting sites, speed up downloads (by allowing parallel downloads), or make it easier to transfer large amounts of data, such as high-definition videos, software packages, or backups [2]. You cannot open this file in isolation