Sets the name extension of the file
Gets the name extension of the file
Creation date in 64 bit POSIX time format
Unused by default, can store attributes if needed
Identifies that this field is a DataPak_OSExt struct
Modification date in 64 bit POSIX time format
Stores filename extension + relative path
Size of this field
Default extension for adding general support for using it as a regular file archival tool. This does not contain user-privilege settings, those will be relegated to another struct.