: Tools like WinRAR or the open-source 7-Zip are required to join the pieces back together.
: You need part1.rar , part2.rar , part3.rar , and so on, in the same folder. 20140809.part2.rar
: Many archival tools, like WinRAR, allowed users to include "recovery records." If one part of the set became corrupted, these records could sometimes repair the archive without a full redownload. How to Use This File : Tools like WinRAR or the open-source 7-Zip
: Older file systems (like FAT32) or email services often had strict limits on individual file sizes. Splitting a large archive into parts allowed users to stay under those caps. and so on