TBG File Format 
    Applies to:
    BG1, BG1: TotS, BG2, BG2: ToB, PST, IWD, IWD:HoW, IWD:TotL, IWD2
General Description
    
       This file format allows files to be transferred between IE installations, while keeping strrefs intact. TBG V1.0 only handles ITM files.
    
    Detailed Description
    
    
    
    | Offset | Size (datatype) | Description | 
|---|---|---|
| 0x0000 | 4 (dword) | File Offset | 
| 0x0004 | 4 (dword) | File Length | 
| 0x0008 | 4 (dword) | Unidentified Name Offset | 
| 0x000c | 4 (dword) | Unidentified Name Length | 
| 0x0010 | 4 (dword) | Identified Name Offset | 
| 0x0014 | 4 (dword) | Identified Name Length | 
| 0x0018 | 4 (dword) | Unidentified Description Offset | 
| 0x001c | 4 (dword) | Unidentified Description Length | 
| 0x0020 | 4 (dword) | Identified Description Offset | 
| 0x0024 | 4 (dword) | Identified Description Length | 
This is the actual file that is to be transferred.
This is all the actual text that will be actually imported into the Infinity Engine game.