| File Extensions |
Description |
M |
A |
Modified |
Index |
| H | Active Template Library Template | . | M | 2.00.00 | 1227 |
| H | C/C++ Source Code File | . | M | 2.23.01 | 406 |
| H | Source Code (General) | . | M | 2.31.02 | 1256 |
| H | Source Code Header/Include File | . | M | 2.15.00 | 403 |
| H16 | Source Code Header/Include File | . | M | 2.15.00 | 403 |
| H1? | MS Help 2 Merged Keyword Index | . | M | 2.18.00 | 1944 |
| H1C | MS Help 2 Collection (XML) | . | H | 2.30.00 | 2172 |
| H1K | MS Help 2 Keyword Index (XML) | . | H | 2.30.00 | 2170 |
| H1T | MS Help 2 Table of Contents (XML) | . | H | 3.00.00 | 2173 |
| H1V | MS Help 2 VTopic Set (XML) | . | H | 2.30.00 | 4006 |
| H264 | H.264/MPEG-4 AVC Video | . | M | 2.28.00 | 3786 |
| H2O | H2O Compressed Archive | . | M | 2.15.00 | 2370 |
| H5 | HDF5 Archive | . | M | 2.28.00 | 3787 |
| HAM | Descent Property Resource Data | . | M | 2.17.00 | 785 |
| HAP | HAP Archive | . | M | 2.07.00 | 1429 |
| HAPTAR | People Putty Haptek Character | . | M | 2.28.00 | 3805 |
| HASH | EnCase Hash Database | . | M | 2.20.02 | 1385 |
| HBK | Hex Workshop Hex Editor Bookmark | . | M | 2.07.00 | 1487 |
| HCC | HydroCAD Stormwater Modeling System Storage Chamber Definition | . | M | 2.28.00 | 3788 |
| HCG | HCLab Chart | . | M | 2.28.00 | 3789 |
| HCO | Apple Sound | Y | M | 2.29.00 | 3924 |
| HCO | Macintosh Sound + Resource Fork (MacBinary) | Y | M | 2.25.00 | 17 |
| HCOM | Sound Tools File | . | L | 2.00.00 | 774 |
| HCP | HydroCAD Stormwater Modeling System Project | . | M | 2.28.00 | 3790 |
| HDF | Hierarchical Data Format File (v4) | . | M | 2.10.00 | 775 |
| HDF | Hierarchical Data Format File (v5) | . | M | 2.16.00 | 2411 |
| HDMP | MS Dr. Watson Memory Dump | . | M | 2.13.00 | 1284 |
| HDP | Windows Media (HD) Photo | . | M | 2.21.00 | 2919 |
| HDR | ArcInfo Binary Image | . | M | 2.26.00 | 3553 |
| HDR | Dell BIOS Image | . | M | 2.23.00 | 3261 |
| HDR | InstallShield 5 Cabinet Archive | . | M | 2.08.00 | 347 |
| HDR | Radiance High Dynamic Range Image | . | M | 2.17.00 | 2568 |
| HDS | MS Digital Rights Management License Store | . | M | 3.00.00 | 3017 |
| HDW | Harvard Graphics Draw Image | . | H | 2.07.00 | 1423 |
| HE5 | Hierarchical Data Format File (v5) | . | M | 2.16.00 | 2411 |
| HEFS | TurboTax Form (2) | . | M | 2.15.00 | 2398 |
| HELPINDEX | Interface Builder Help Index (binary) | . | M | 2.24.00 | 3409 |
| HES | Hudson Entertainment Sound | . | M | 2.28.00 | 3791 |
| HEX | BinHex Archive | Y | M | 1.00.00 | 259 |
| HEX | BinHex Archive (MacBinary) | . | M | 2.09.00 | 1797 |
| HFA | Erdas Image (HFA) | Y | M | 2.28.00 | 3723 |
| HFP | XnView Filter | . | H | 2.19.00 | 443 |
| HFZ | Pinnacle Studio HollywoodFX Plug-In Video Editing Data | . | M | 2.28.00 | 3792 |
| HGL | HP Graphics Language Drawing | . | M | 2.28.00 | 778 |
| HGL | HP Graphics Language Drawing (PJL) | Y | H | 2.06.03 | 841 |
| HH? | HyperText Markup Language | Y | H | 3.00.00 | 315 |
| HH? | HyperText Markup Language (UTF-16BE) | . | M | 2.19.03 | 2829 |
| HH? | HyperText Markup Language (UTF-16LE) | . | M | 2.19.03 | 2830 |
| HH? | HyperText Markup Language (UTF-32BE) | . | M | 2.19.03 | 2827 |
| HH? | HyperText Markup Language (UTF-32LE) | . | M | 2.19.03 | 2828 |
| HH? | HyperText Markup Language (UTF-8) | . | M | 2.25.01 | 2831 |
| HH? | HyperText Markup Language 5 | Y | H | 2.33.00 | 4109 |
| HI | Descent High Scores | . | M | 2.17.00 | 529 |
| HIE | MS Foundation Classes (MFC) Hierarchy | . | M | 2.13.00 | 2176 |
| HIP | HiP Compressed Archive | . | M | 2.28.00 | 3793 |
| HIT | MS Windows Resource Cache | . | M | 2.30.00 | 3412 |
| HIV | HyperChem Molecule Image | . | M | 2.17.00 | 2535 |
| HJT | TreePad Hypertext Database | . | M | 2.10.00 | 1863 |
| HKE | HashKeeper Hash Database Index | . | M | 2.07.00 | 1475 |
| HKI | WinHki Compressed Archive | . | M | 2.08.00 | 1610 |
| HLF | FAR Manager Help File | . | M | 2.10.00 | 1864 |
| HLP | Help File (General) | . | M | 1.00.00 | 57 |
| HLP | IBM OS/2 2.0 Help | . | M | 1.00.00 | 239 |
| HLP | MS DOS Help | . | M | 1.00.00 | 209 |
| HLP | MS Windows Help File | . | M | 2.19.02 | 115 |
| HLX | Help File (General) | . | M | 1.00.00 | 57 |
| HLX | Help Magician Help Text | . | M | 2.28.00 | 3794 |
| HM | MS Visual Studio Help Context ID Map | . | M | 2.13.00 | 2175 |
| HMEL | Descent Property Resource Interchange | . | M | 2.17.00 | 1102 |
| HMK | Hallmark Card Studio Card | Y | H | 2.27.00 | 3633 |
| HMP | Frontier: First Encounters Music | . | M | 2.10.00 | 1865 |
| HMP | Help Magician Project | . | M | 2.28.00 | 3795 |
| HMP | WebDesigner Template | . | M | 2.06.00 | 1292 |
| HMW | DeskMate Homeword Document | . | M | 2.28.00 | 3796 |
| HND | Hallo Northern Sky Deep Sky Database | . | M | 2.28.00 | 3797 |
| HNE | NoteCenter Encrypted Notes | . | M | 2.28.00 | 3801 |
| HOG | Descent Mission | . | M | 2.17.00 | 780 |
| HOT | Mosaic Hot List | . | M | 1.00.00 | 310 |
| HPA | HPA Archive | . | M | 2.24.00 | 3367 |
| HPC | Printer Separator Page | . | M | 2.07.00 | 459 |
| HPD | HP Document | Y | H | 2.27.00 | 3634 |
| HPF | HP LaserJet Font | . | M | 2.26.00 | 3543 |
| HPG | HP Graphics Language Drawing | . | M | 2.28.00 | 778 |
| HPGL | HP Graphics Language Drawing | . | M | 2.28.00 | 778 |
| HPGL | HP Graphics Language Drawing (PJL) | Y | H | 2.06.03 | 841 |
| HPGL | HP Plotter Language Drawing | . | M | 2.23.00 | 941 |
| HPI | Hemera Photo-Object Image | . | M | 2.08.00 | 1651 |
| HPI | Total Annihilation Saved Game | . | M | 2.08.00 | 1652 |
| HPJ | MS Visual Studio Help Project | . | M | 2.13.00 | 781 |
| HPK | Id Software Internal Data 3.0 Hpack | . | M | 1.05.00 | 431 |
| HPP | Source Code Header/Include File | . | M | 2.15.00 | 403 |
| HQX | BinHex Archive | Y | M | 1.00.00 | 259 |
| HQX | BinHex Archive (MacBinary) | . | M | 2.09.00 | 1797 |
| HRC | 4D Creative Model (ASCII) | . | M | 2.14.00 | 2288 |
| HRF | Hitachi Raster Format Image | . | M | 2.08.00 | 1653 |
| HRU | HRU Bitmap | . | M | 2.08.00 | 1655 |
| HSC | HelpScribble Project | . | M | 2.28.00 | 3804 |
| HSC | HYSYS Simulation | . | M | 2.13.00 | 2174 |
| HSH | HashKeeper Hash Database | . | M | 2.07.00 | 1474 |
| HSP | Help File (General) | . | M | 1.00.00 | 57 |
| HST | History file (Unknown Source) | . | L | 2.00.00 | 783 |
| HST | Netscape Certificate/Security Database | . | M | 2.06.00 | 1328 |
| HT | MS HyperTerminal Shortcut | . | M | 1.00.00 | 312 |
| HT? | HyperText Markup Language | Y | H | 3.00.00 | 315 |
| HT? | HyperText Markup Language (MacBinary) | . | M | 2.09.00 | 1771 |
| HT? | HyperText Markup Language (UTF-16BE) | . | M | 2.19.03 | 2829 |
| HT? | HyperText Markup Language (UTF-16LE) | . | M | 2.19.03 | 2830 |
| HT? | HyperText Markup Language (UTF-32BE) | . | M | 2.19.03 | 2827 |
| HT? | HyperText Markup Language (UTF-32LE) | . | M | 2.19.03 | 2828 |
| HT? | HyperText Markup Language (UTF-8) | . | M | 2.25.01 | 2831 |
| HT? | HyperText Markup Language 5 | Y | H | 2.33.00 | 4109 |
| HT? | Web Script Source Code | . | M | 2.23.01 | 3319 |
| HTA | HyperText Markup Language (MacBinary) | . | M | 2.09.00 | 1771 |
| HTC | Java Script Source Code (ASCII) | . | H | 2.23.01 | 401 |
| HTC | Java Script Source Code (Unicode) | . | M | 2.34.02 | 4195 |
| HTM | Cascading Style Sheet | . | M | 2.05.02 | 415 |
| HTM | Extensible Markup Language | Y | H | 2.17.01 | 342 |
| HTM | Extensible Markup Language (MacBinary) | . | M | 2.09.00 | 1772 |
| HTM | Extensible Style Language | Y | H | 2.15.00 | 570 |
| HTM | HTML + XML Namespace | . | H | 2.16.00 | 488 |
| HTM | HyperText Markup Language | Y | H | 3.00.00 | 315 |
| HTM | HyperText Markup Language (MacBinary) | . | M | 2.09.00 | 1771 |
| HTM | HyperText Markup Language (UTF-16BE) | . | M | 2.19.03 | 2829 |
| HTM | HyperText Markup Language (UTF-16LE) | . | M | 2.19.03 | 2830 |
| HTM | HyperText Markup Language (UTF-32BE) | . | M | 2.19.03 | 2827 |
| HTM | HyperText Markup Language (UTF-32LE) | . | M | 2.19.03 | 2828 |
| HTM | HyperText Markup Language (UTF-8) | . | M | 2.25.01 | 2831 |
| HTM | HyperText Markup Language 5 | Y | H | 2.33.00 | 4109 |
| HTM | Java Script Source Code (ASCII) | . | H | 2.23.01 | 401 |
| HTM | Java Script Source Code (Unicode) | . | M | 2.34.02 | 4195 |
| HTM | Java Source Code File | . | M | 2.28.00 | 418 |
| HTM | MIME HTML Web Page Archive | Y | H | 2.22.01 | 1910 |
| HTM | MS Excel Spreadsheet (XML) | Y | H | 2.26.01 | 1248 |
| HTM | MS Office Document (XML) | Y | H | 2.35.02 | 1247 |
| HTM | MS PowerPoint Slides (XML) | Y | H | 2.35.02 | 718 |
| HTM | MS Word Document (XML) | Y | H | 2.37.00 | 1249 |
| HTM | OneNote Note (XML) | Y | H | 2.35.02 | 4226 |
| HTM | Standard Generalized Markup Language | . | M | 3.00.00 | 1060 |
| HTM | Web Script Source Code | . | M | 2.23.01 | 3319 |
| HTML | Extensible Markup Language | Y | H | 2.17.01 | 342 |
| HTML | Extensible Markup Language (MacBinary) | . | M | 2.09.00 | 1772 |
| HTML | Extensible Style Language | Y | H | 2.15.00 | 570 |
| HTML | HTML + XML Namespace | . | H | 2.16.00 | 488 |
| HTML | HyperText Markup Language | Y | H | 3.00.00 | 315 |
| HTML | HyperText Markup Language (MacBinary) | . | M | 2.09.00 | 1771 |
| HTML | HyperText Markup Language (UTF-16BE) | . | M | 2.19.03 | 2829 |
| HTML | HyperText Markup Language (UTF-16LE) | . | M | 2.19.03 | 2830 |
| HTML | HyperText Markup Language (UTF-32BE) | . | M | 2.19.03 | 2827 |
| HTML | HyperText Markup Language (UTF-32LE) | . | M | 2.19.03 | 2828 |
| HTML | HyperText Markup Language (UTF-8) | . | M | 2.25.01 | 2831 |
| HTML | HyperText Markup Language 5 | Y | H | 2.33.00 | 4109 |
| HTML | Java Script Source Code (ASCII) | . | H | 2.23.01 | 401 |
| HTML | Java Script Source Code (Unicode) | . | M | 2.34.02 | 4195 |
| HTML | MS FrontPage Document (XML) | Y | H | 2.23.01 | 3317 |
| HTML | MS Word Document (XML) | Y | H | 2.37.00 | 1249 |
| HTML | Standard Generalized Markup Language | . | M | 3.00.00 | 1060 |
| HTML | Web Script Source Code | . | M | 2.23.01 | 3319 |
| HTR | People Putty Haptek Character | . | M | 2.28.00 | 3805 |
| HTT | Extensible Style Language | Y | H | 2.15.00 | 570 |
| HTT | HyperText Markup Language (MacBinary) | . | M | 2.09.00 | 1771 |
| HTT | Java Script Source Code (ASCII) | . | H | 2.23.01 | 401 |
| HTT | Java Script Source Code (Unicode) | . | M | 2.34.02 | 4195 |
| HTTP | HyperText Markup Language | Y | H | 3.00.00 | 315 |
| HTTP | HyperText Markup Language (MacBinary) | . | M | 2.09.00 | 1771 |
| HTTP | HyperText Markup Language (UTF-16BE) | . | M | 2.19.03 | 2829 |
| HTTP | HyperText Markup Language (UTF-16LE) | . | M | 2.19.03 | 2830 |
| HTTP | HyperText Markup Language (UTF-32BE) | . | M | 2.19.03 | 2827 |
| HTTP | HyperText Markup Language (UTF-32LE) | . | M | 2.19.03 | 2828 |
| HTTP | HyperText Markup Language (UTF-8) | . | M | 2.25.01 | 2831 |
| HTTP | HyperText Markup Language 5 | Y | H | 2.33.00 | 4109 |
| HTX | Extended HTML Template | . | L | 2.00.00 | 784 |
| HUH | HydroCAD Stormwater Modeling System Unit Hydrograph | . | M | 2.28.00 | 3806 |
| HUS | Designer I Embroidery Machine Image | . | M | 2.09.00 | 1704 |
| HW3 | Hyperwriter! Document | . | M | 1.00.00 | 84 |
| HWP | Hangul Word Processor Document | . | M | 2.19.00 | 2756 |
| HX? | MS Windows .NET Library (32 bit) | Y | H | 2.18.00 | 2686 |
| HX? | MS Windows .NET Library (64 bit) | Y | H | 2.18.00 | 2685 |
| HX? | MS Windows Library (32 bit) | Y | H | 2.03.10 | 325 |
| HX? | MS Windows Library (64 bit) | Y | H | 2.18.00 | 2684 |
| HXA | MS Help 2 Attributes (XML) | . | H | 2.13.00 | 2171 |
| HXC | MS Help 2 Collection (XML) | . | H | 2.30.00 | 2172 |
| HXD | MS Help 2 Merged Keyword Index | . | M | 2.18.00 | 1944 |
| HXH | MS Help 2 Merged Keyword Index | . | M | 2.18.00 | 1944 |
| HXK | MS Help 2 Keyword Index (XML) | . | H | 2.30.00 | 2170 |
| HXM | Descent Property Resource Data | . | M | 2.17.00 | 785 |
| HXQ | MS Help 2 Merged Keyword Index | . | M | 2.18.00 | 1944 |
| HXR | MS Help 2 Merged Keyword Index | . | M | 2.18.00 | 1944 |
| HXT | MS Help 2 Table of Contents (XML) | . | H | 3.00.00 | 2173 |
| HXW | MS Help 2 Merged Keyword Index | . | M | 2.18.00 | 1944 |
| HXX | Source Code Header/Include File | . | M | 2.15.00 | 403 |
| HYP | Adobe Linguistics File | . | M | 2.28.00 | 468 |
| HYP | Atari ST Guide Hypertext Document | . | M | 2.14.00 | 2317 |
| HYP | Hyper Archive | . | M | 2.08.00 | 49 |
| HZF | Neosat Fixes | . | M | 2.28.00 | 3810 |