| .!BT | BitTorrent Incomplete Download File | 217 |
| .!QB | qBittorrent Partial Download File | 289 |
| .!SYNC | BitTorrent Partially Synced File | 325 |
| .!UT | uTorrent Incomplete Download | 202 |
| .$$$ | Temporary File | 267 |
| .$01 | DOS Pipe File | 240 |
| .$DB | dBASE Temporary File | 236 |
| .$ER | GroupWise Database | 235 |
| .0 | Shared Library Link File | 218 |
| .0 | Hacha Split Archive File | 239 |
| .0 | M3 DS Real Save File | 255 |
| .00 | The Ur-Quan Masters Saved Game Slot 0 File | 180 |
| .000 | DoubleSpace Compressed File | 270 |
| .000 | Indexing Service Data File | 200 |
| .000 | Virtual CD Disc Image File | 255 |
| .000 | Windows CE Installation Data File | 234 |
| .001 | Norton Ghost Disk Backup | 242 |
| .001 | Fax File | 254 |
| .001 | Multimedia Fusion Backup File | 241 |
| .001 | Split Archive File | 187 |
| .001 | Snes9x Slot 2 Saved State | 269 |
| .002 | Split Archive Part 2 File | 220 |
| .003 | Split Archive Part 3 File | 209 |
| .0ADSAVE | 0 A.D. Game Save File | 250 |
| .0CC | 0CC-FamiTracker Module | 236 |
| .0XE | F-Secure Renamed Virus File | 174 |
| .1 | Unix Section 1 Manual Page | 229 |
| .113 | Iomega Backup File | 386 |
| .123 | Lotus 1-2-3 Spreadsheet | 213 |
| .123 | PCB123 Circuit Board Design | 244 |
| .123C | Autodesk 123C Drawing | 275 |
| .123D | Autodesk 123D Drawing | 227 |
| .123DX | 123D Design Model File | 195 |
| .12M | Lotus 1-2-3 SmartMaster File | 367 |
| .17T | 2017 StudioTax Return File | 467 |
| .1PE | TurboTax Form File | 231 |
| .1PH | TurboTax File | 275 |
| .1ST | Readme File | 240 |
| .208 | ASUS Notebook BIOS 208 Update File | 221 |
| .256 | Descent 2 Color Palette File | 194 |
| .264 | Ripped Video Data File | 244 |
| .264 | IP/CCTV Video File | 233 |
| .2BP | Pocket PC Bitmap Image File | 223 |
| .2D | VersaCAD 2D Drawing File | 250 |
| .2FS | Puppy Linux Save State File | 264 |
| .2MG | Apple IIGS Disk Image | 180 |
| .2SF | Nintendo DS Sound File | 209 |
| .2SFLIB | Nintendo DS Audio Library File | 250 |
| .323 | H.323 Internet Telephony File | 360 |
| .32X | Sega 32X ROM | 200 |
| .360 | 360desktop Panorama File | 343 |
| .386 | Windows Virtual Device Driver | 248 |
| .3D | Stereo CAD-3D Image File | 350 |
| .3D | Survex 3D Cavern File | 209 |
| .3D2 | Stereo CAD-3D 2.0 Image File | 200 |
| .3D4 | Stereo CAD-3D 2.0 Image File | 212 |
| .3DA | 3D Assembly File | 193 |
| .3DC | RoboCell Cell Setup File | 367 |
| .3DC | 3DCT 3D Image | 325 |
| .3DC | RacerMate 3D Course File | 206 |
| .3DC | 3DCrafter Scene File | 300 |
| .3DC | iGO 3D Building File | 256 |
| .3DD | ArcGlobe Document | 375 |
| .3DF | 3D Format | 282 |
| .3DL | Sierra LandDesigner 3D File | 187 |
| .3DL | 3D Lookup Table File | 233 |
| .3DL | LightConverse 3D Model File | 235 |
| .3DL | iGO Landmark File | 193 |
| .3DM | Rhino 3D Model | 226 |
| .3DMARK-RESULT | 3DMark Results File | 214 |
| .3DMDEF | 3DMark Definition File | 300 |
| .3DMF | QuickDraw 3D Metafile | 250 |
| .3DMK | 123D Make Project File | 367 |
| .3DON | Scrutinize 3D Mesh File | 417 |
| .3DP | 3DMark2011 SE Project File | 227 |
| .3DP | 123D Catch Photo Scene Data File | 227 |
| .3DR | 3D Rad Project File | 194 |
| .3DR | 3DMark Results File | 247 |
| .3DS | 3D Studio Scene | 182 |
| .3DS | Nintendo 3DS ROM | 197 |
| .3DSX | Homebrew Launcher File | 168 |
| .3DT | 3D Topicscape File | 200 |
| .3DV | 3D VRML World | 450 |
| .3DW | 3D World Studio File | 300 |
| .3DW | Studio Store Visualizer 3D Environment File | 267 |
| .3DX | Rhino 3D Model File | 333 |
| .3DXML | Dassault Systemes 3D XML File | 200 |
| .3DZ | Easy 3D Creator Project | 300 |
| .3DZ | Nintendo 3DS ROM | 250 |
| .3FR | Hasselblad 3F RAW Image | 236 |
| .3FS | Puppy Linux Save State File | 225 |
| .3G2 | 3GPP2 Multimedia File | 249 |
| .3GA | 3GPP Audio File | 233 |
| .3GP | 3GPP Multimedia File | 213 |
| .3GP2 | 3GPP Multimedia File | 230 |
| .3GPA | 3GPP Multimedia File | 350 |
| .3GPP | 3GPP Media File | 256 |
| .3GPP2 | 3GPP2 Multimedia File | 267 |
| .3ME | TurboTax Form File | 225 |
| .3MF | 3D Manufacturing File | 193 |
| .3MM | 3D Movie Maker Movie Project | 258 |
| .3P2 | 3GPP Multimedia File | 278 |
| .3PE | TurboTax 2008 Form File | 250 |
| .3W | XYZprinting Sliced Model File | 300 |
| .411 | Mavica Thumbnail Image | 287 |
| .477 | MNS Shape Definition Companion File | 340 |
| .4DB | 4th Dimension Database Structure File | 220 |
| .4DD | 4th Dimension Database Data File | 256 |
| .4DL | 4th Dimension Database Log File | 200 |
| .4DV | 4D View Ultrasound File | 282 |
| .4FS | Puppy Linux Save State File | 333 |
| .4MP | 4-MP3 Database File | 186 |
| .4TH | Forth Language File | 325 |
| .4UI | ForeUI Plot File | 228 |
| .4XM | 4X Movie | 400 |
| .555 | Black & White Weather Settings File | 245 |
| .5VW | 5View Packet Capture File | 350 |
| .5XB | Line 6 POD HD500X Edit Bundle | 289 |
| .5XE | Line 6 POD HD500X Edit Preset File | 190 |
| .5XS | Line 6 POD HD500X Edit Setlist File | 333 |
| .602 | Text602 Document | 257 |
| .60D | CCTV Video Clip | 256 |
| .669 | UNIS Composer 669 Module | 240 |
| .68K | SEGA Mega Drive & Genesis Classics ROM File | 246 |
| .6CM | Six Channel Module | 300 |
| .73B | TI-73 Backup File | 350 |
| .73C | TI-73 Constant File | 467 |
| .73I | TI-73 Screenshot File | 233 |
| .73K | TI-73 Application | 177 |
| .73L | TI-73 Data List File | 417 |
| .73U | TI-73 Explorer Operating System File | 143 |
| .787 | AVTECH CCTV Video File | 292 |
| .7Z | 7-Zip Compressed File | 191 |
| .7Z.001 | 7-Zip Split Archive Part 1 File | 233 |
| .7Z.002 | 7-Zip Split Archive Part 2 File | 200 |
| .83P | TI-83 Calculator File | 287 |
| .86F | 86Box Floppy Disk Image | 467 |
| .890 | Cavena Subtitles File | 260 |
| .89K | TI-89 Application | 200 |
| .8BA | Photoshop Plug-in | 219 |
| .8BC | Photoshop 5.0 Plug-in | 367 |
| .8BE | PhotoDeluxe Plug-in | 200 |
| .8BF | Photoshop Filter Plug-in | 217 |
| .8BF | Filter Factory Image Filter | 223 |
| .8BI | Photoshop Plug-in | 200 |
| .8BI8 | Photoshop Plug-in | 200 |
| .8BL | Photoshop Plug-in | 300 |
| .8BS | Photoshop 5.0 Selection Plug-in | 300 |
| .8BX | PhotoDeluxe Plug-in | 200 |
| .8BY | PhotoDeluxe Plug-in | 240 |
| .8CA | TI-84 Plus C Image Var Format | 256 |
| .8CI | TI-84 Plus C Pic Vars Format | 250 |
| .8CK | TI-84 Plus C Silver Edition Application File | 152 |
| .8CM | Eight Channel Module | 333 |
| .8CU | TI-84 Plus C Operating System File | 267 |
| .8LD | Overlord 2 Language File | 200 |
| .8LI | Photoshop Scripting Plug-in | 225 |
| .8MED | Amiga OctaMed Music File | 300 |
| .8PBS | Adobe Photoshop Macintosh File | 233 |
| .8ST | 8start Launcher File | 350 |
| .8SVX | Amiga 8-Bit Sound File | 329 |
| .8XG | TI-83/84 Plus Group File | 300 |
| .8XI | TI-83/84 Plus Picture File | 340 |
| .8XK | TI-83 Plus Application Upgrade File | 291 |
| .8XP | TI-83 Plus Calculator File | 279 |
| .8XS | TI-83/84 Plus String File | 333 |
| .8XU | TI-83 and TI-84 Plus Operating System File | 244 |
| .8XV | TI-83/84 Plus Variable File | 255 |
| .9.PNG | NinePatchDrawable Image | 314 |
| .^^^ | Pervasive.SQL Database File | 350 |
| ._DOC | Renamed Microsoft Word Document | 324 |
| ._DOCX | Renamed Microsoft Word Open XML Document | 252 |
| ._EML | Windows Live Mail Email File | 200 |
| ._NWS | Windows Live Mail Newsgroup Copy File | 267 |
| ._PLAYMUSICID | Google Play Music ID File | 260 |
| ._SYS.LFO | Adware File | 278 |
| ._XLS | Renamed Microsoft Excel Spreadsheet | 262 |
| ._XLSX | Renamed Microsoft Excel Open XML Spreadsheet | 260 |
| .__A | File Splitter & Joiner Encrypted File | 275 |
| .__B | File Splitter & Joiner Encrypted Archive File | 433 |
| .{PB | Corel WordPerfect Document Index File | 400 |
| .~CW | Circuit Wizard Backup File | 362 |
| .~HM | HostMonitor TestList Backup File | 275 |
