This is the specifications for the archive file which is handled by the Game Extractor plugin Archive_PACK_PFH0.

Endian Order:	Little Endian
Compression:	None
Encryption:	None

This format is used by the following Games:

Shogun 2

*.pack

This is the format specification information:

// ARCHIVE HEADER 4 - Header (PFH0) 4 - Version (1) 8 - null 4 - Number of Files? 4 - File Data Offset [+24] // DETAILS DIRECTORY // for each file 4 - File Length X - Filename 1 - null Filename Terminator // FILE DATA // for each file X - File Data

Game Extractor is able to read files of this type, as well as files from thousands of other games. To give it a try, download Game Extractor (Basic Version) for free, and see what it can do.

For further information on this format, refer to the source code on our GitHub repository.