The 4.5.2 version of AutoUnpack is available as a free download on our website. This free software is a product of See-and-Be.com. The AutoUnpack installer is commonly called autounpack.exe. The following versions: 4.5 and 4.4 are the most frequently downloaded ones by the program users. The latest version of AutoUnpack can be downloaded for PCs running Windows XP/Vista/7/8/10, 32-bit. The program lies within System Utilities, more precisely Archivers.
From the developer:
AutoUnpack is a freeware utility that can be used to automatically download, repair,and unpack all RAR, 7Z, ZIP, TS archives, or splitted files (e.g. *.001). AutoUnpack analyzes source folder to search for PAR2 files. It uses them to verify the downloaded files that belong to them.
You may want to check out more software, such as SFV Checker, AlphaZIP or UnPacker, which might be related to AutoUnpack.