| Abbreviation | Definition |
|---|---|
| TD0 | Teledisk Disk image |
| TD2 | Turbo Debugger for Win32 Configuration file |
| TDB | TACT Database |
| TDDD | Imagine Object File Format |
| TDF | TheDraw Font file |
| TDF | Typeface Definition File |
| TDH | Turbo Debugger Help file |
| TDI | TDI Animation Image file |
| TDK | Turbo Debugger Keystroke recording file |
| TDMS | Technical Data Management Streaming |
| TDR | Contents of Arvid tape |
| TDS | Turbo Debugger Symbol table |
| TDW | Debugger symbol table (Borland C++ Builder) |
| TDW | Turbo Debugger for Windows Configuration file |
| TEF | Relisys TEFAX Fax document |
| TEL | Telnet Host file |
| TEM | Input template (IconAuthor) |
| TEM | Turbo Editor Macro Language script |
| TEMP | Temporary file |
| TET | Tetris results file |