: Likely a release date (October 22, 2017) or a internal project ID.
: Often shorthand used for specific media titles or groups. GF171022-APTR-GG.part09.rar
: To access the contents, you must have all parts (part01 through the final segment) in the same folder. Opening part01 triggers the extraction engine to automatically "stitch" the data from part09 back into the original file. : Likely a release date (October 22, 2017)
This file is a "feature" of a . This technology allows for several key benefits in file sharing and storage: GF171022-APTR-GG.part09.rar
