| texb | Playground OSS Texture Data |
| texport | Tome Editor Export Template Data |
| texter | Texter Snippet Data |
| textfactory | BBEdit Text Factory Data |
| texts | Ribbons Texts Data |
| tf | TinyFugue Script |
| tf | Terraform Module |
| tf10 | IRIG 106 Data Transfer Data |
| tfa | TreeSoft CashFlow Analysis Data |
| tfam | PLINK Individual Information File |
| tfd | Tape Format Requirements Document |
| tfh | Borland Turbo Profiler Help Data |
| tfi | Sharing Transaction Fraud Data |
| tfields | Tome Editor Field Definition Data |
| tfil | World of Warcraft Software Update |
| tfl | Tific Client Data |
| tfl | ALKFLOW Total Flow Data |
| tfl | Trimble Field Link Data |
| tflow | MTFLOW Data |
| tfr | 4D Database Windows Formula Document |
| tfrm | 4D Database Mac OS X Formula Document |
| tfv | YETI Vegetation Plot Database Export File |
| tfx | Avid Pro Tools Eleven Rack Presets |
| tfy | Terrafy Module |
| tfz | FBS Vehicle Database |
| tg2 | tg2htm Saved Metadata |
| tg3 | TexGen 3 Geometry Data |
| tgc | Terragen Clip File |
| tgd | Terragen 2 World |
| tgf | libigl Control Handle Graphs |
