This is the specifications for the archive file which is handled by the Game Extractor plugin Archive_DAT_72.

Endian Order:	Little Endian
Compression:	none
Encryption:	None

This format is used by the following Games:

Elder Scrolls 2: Daggerfall	*.packed.dat
Daggerfall Unity	*.packed.dat

This is the format specification information:

// ARCHIVE HEADER 4 - Directory Offset 4 - Description Offset // FILE DATA // for each file X - File Data // DIRECTORY // for each file 4 - Hash? 4 - null X - Filename 1 - null Filename Terminator 2 - null 4 - File Offset // DESCRIPTION 60 - Description (ARENA2) (nulls to fill)

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.