.HDT | Adobe Systems Incorporated | Asetustiedostot | Photoshop HDR Toning Preset File | Microsoft Notepad | Microsoft Corporation |
.HH | Microsoft Corporation | Sovelluskehittäjän tiedostot | C++ Header File | Microsoft Notepad | Microsoft Corporation |
.HPF | IBM | Sovelluskehittäjän tiedostot | High Performance Fortran File | Microsoft Notepad | Microsoft Corporation |
.HPP | Microsoft Corporation | Sovelluskehittäjän tiedostot | C++ Header File | Microsoft Notepad | Microsoft Corporation |
.HPS | Frictional Games | Pelitiedostot | HPL Script | Microsoft Notepad | Microsoft Corporation |
.HRL | Ericsson Computer Science Laboratory | Sovelluskehittäjän tiedostot | Erlang Header File | Microsoft Notepad | Microsoft Corporation |
.HSK | Huskey Truss & Building Supply | Datatiedostot | Huskey Truss & Building Supply Import File | Microsoft Notepad | Microsoft Corporation |
.HTACCESS | Apache Software Foundation | Web-tiedostot | Apache HTACCESS File | Microsoft Notepad | Microsoft Corporation |
.HTM | Various Developers | Web-tiedostot | Hypertext Markup Language File | Microsoft Notepad | Microsoft Corporation |
.HTML | Various Developers | Web-tiedostot | Hypertext Markup Language File | Microsoft Notepad | Microsoft Corporation |
.HTML5 | Sublime HQ Pty Ltd | Sovelluskehittäjän tiedostot | HTML5 Hypertext Markup Language Revision 5 Source Code | Microsoft Notepad | Microsoft Corporation |
.HTX | Microsoft Corporation | Web-tiedostot | HTML Extension File | Microsoft Notepad | Microsoft Corporation |
.HVC | Sublime HQ Pty Ltd | Tekstitiedostot | ASCII Text | Microsoft Notepad | Microsoft Corporation |
.H__ | Microsoft Corporation | Sovelluskehittäjän tiedostot | C++ Header File | Microsoft Notepad | Microsoft Corporation |
.ICF | Zoom Telephonics | Varmuuskopiointitiedostot | Zoom Router Configuration File | Microsoft Notepad | Microsoft Corporation |
.IDF | Don Ho | Asetustiedostot | MIDI Instrument Definition File | Microsoft Notepad | Microsoft Corporation |
.IIF | Intuit, Inc. | Datatiedostot | Intuit Interchange Format File | Microsoft Notepad | Microsoft Corporation |
.IIL | Symantec Corporation | Datatiedostot | Norton CleanSweep Installation Log File | Microsoft Notepad | Microsoft Corporation |
.IML | JetBrains | Sovelluskehittäjän tiedostot | IntelliJ IDEA Module | Microsoft Notepad | Microsoft Corporation |
.IN | Bitplane | Datatiedostot | SmartGENERATOR Template File | Microsoft Notepad | Microsoft Corporation |
.INF | Parametric Technology Corporation | Väliaikaiset Tiedostot | Pro/ENGINEER Temporary | Microsoft Notepad | Microsoft Corporation |
.INFO | GNU Project | Harvinaiset Tiedostot | Texinfo Document | Microsoft Notepad | Microsoft Corporation |
.INO | Jordan Russell | Asetustiedostot | Inno Setup Script | Microsoft Notepad | Microsoft Corporation |
.INS | Open Source | Datatiedostot | LaTeX Installer Script | Microsoft Notepad | Microsoft Corporation |
.ION | Open Source | Järjestelmätiedostot | File Description File | Microsoft Notepad | Microsoft Corporation |
.ISR | Open Source | Pelitiedostot | GoMoku Game File | Microsoft Notepad | Microsoft Corporation |
.ISS | Jordan Russell | Asetustiedostot | Inno Setup Script | Microsoft Notepad | Microsoft Corporation |
.JAV | Oracle Corporation | Sovelluskehittäjän tiedostot | Java Source Code | Microsoft Notepad | Microsoft Corporation |
.JAVA | Oracle Corporation | Sovelluskehittäjän tiedostot | Java Source Code | Microsoft Notepad | Microsoft Corporation |
.JFW | ESRI | GIS-tiedostot | JPEG World File | Microsoft Notepad | Microsoft Corporation |
.JGW | ESRI | GIS-tiedostot | JPEG World File | Microsoft Notepad | Microsoft Corporation |
.JNLP | Oracle Corporation | Web-tiedostot | Java Web Start File | Microsoft Notepad | Microsoft Corporation |
.JPN | Microsoft Corporation | Järjestelmätiedostot | Windows Japanese Noise-Word List File | Microsoft Notepad | Microsoft Corporation |
.JPR | Microsoft Corporation | Tekstitiedostot | WordPad Document | Microsoft Notepad | Microsoft Corporation |
.JSON | Mozilla | Varmuuskopiointitiedostot | Mozilla Firefox Bookmarks Backup | Microsoft Notepad | Microsoft Corporation |
.JSPF | Oracle Corporation | Sovelluskehittäjän tiedostot | Java Server Page Fragment | Microsoft Notepad | Microsoft Corporation |
.JWK | Douglas Crockford | Salatut Tiedostot | JSON Web Key | Microsoft Notepad | Microsoft Corporation |
.KDS | Knyzhov Dmitry | Asetustiedostot | KD Player Skin File | Microsoft Notepad | Microsoft Corporation |
.KOR | Epic Games | Pelitiedostot | Unreal Engine Language Localization | Microsoft Notepad | Microsoft Corporation |
.L | Johan Bontes | Datatiedostot | Game Of Life File | Microsoft Notepad | Microsoft Corporation |
.LANG | Mojang | Pelitiedostot | Minecraft Language File | Microsoft Notepad | Microsoft Corporation |
.LCX | Cray Inc. | Datatiedostot | LC Model | Microsoft Notepad | Microsoft Corporation |
.LDF | Microsoft Corporation | Datatiedostot | SQL Server Transaction Log File | Microsoft Notepad | Microsoft Corporation |
.LDS | GNU Project | Sovelluskehittäjän tiedostot | Binutils LD Linker Script | Microsoft Notepad | Microsoft Corporation |
.LGE | Don Ho | Datatiedostot | Log Data | Microsoft Notepad | Microsoft Corporation |
.LHS | SourceForge | Sovelluskehittäjän tiedostot | Literate Haskell Script | Microsoft Notepad | Microsoft Corporation |
.LIS | SourceForge | Tekstitiedostot | SQR (Structured Query Reporting) Output File | Microsoft Notepad | Microsoft Corporation |
.LIST | Open Source | Datatiedostot | APT List File | Microsoft Notepad | Microsoft Corporation |
.LIT | Microsoft Corporation | eBook Tiedostot | Microsoft Reader eBook File | Microsoft Notepad | Microsoft Corporation |
.LNT | Gimpel Software | Sovelluskehittäjän tiedostot | PC-lint/FlexeLint Configuration File | Microsoft Notepad | Microsoft Corporation |
.LOG | Unknown Developer | Tekstitiedostot | Log File | Microsoft Notepad | Microsoft Corporation |
.LOL | Apple | Sovelluskehittäjän tiedostot | LOLCODE Source Code FIle | Microsoft Notepad | Microsoft Corporation |
.LST | Unknown Developer | Tekstitiedostot | Data List | Microsoft Notepad | Microsoft Corporation |
.LTR | Sublime HQ Pty Ltd | Tekstitiedostot | Letter Document | Microsoft Notepad | Microsoft Corporation |
.LUA | Unknown Developer | Sovelluskehittäjän tiedostot | Lua Source File | Microsoft Notepad | Microsoft Corporation |
.LYT | Adminsoft | Datatiedostot | Adminsoft Document Layout File | Microsoft Notepad | Microsoft Corporation |
.M | MathWorks | Sovelluskehittäjän tiedostot | MATLAB Source Code File | Microsoft Notepad | Microsoft Corporation |
.MAF | National Cancer Institute | Datatiedostot | Mutation Annotation Format File | Microsoft Notepad | Microsoft Corporation |
.MAN | Unknown Developer | Tekstitiedostot | Unix Manual | Microsoft Notepad | Microsoft Corporation |
.MANIFEST | Microsoft Corporation | Järjestelmätiedostot | Windows Application Manifest File | Microsoft Notepad | Microsoft Corporation |
.MAP | id Software | Pelitiedostot | Quake Engine Map File | Microsoft Notepad | Microsoft Corporation |
.MARKDOWN | Various Developers | Sovelluskehittäjän tiedostot | Markdown Documentation File | Microsoft Notepad | Microsoft Corporation |
.MD | Various Developers | Sovelluskehittäjän tiedostot | Markdown Documentation File | Microsoft Notepad | Microsoft Corporation |
.MDBACKUP | Apple | Varmuuskopiointitiedostot | iPhone Data Backup File | Microsoft Notepad | Microsoft Corporation |
.MDL | MathWorks | Datatiedostot | MathWorks Simulink Model | Microsoft Notepad | Microsoft Corporation |
.MDOWN | John Gruber | Tekstitiedostot | Markdown Markup Language Source Code | Microsoft Notepad | Microsoft Corporation |
.ME | Unknown Developer | Harvinaiset Tiedostot | Temporary Delete Me File | Microsoft Notepad | Microsoft Corporation |
.MED | Rockwell Automation Inc. | Sovelluskehittäjän tiedostot | RSView Development Project Archive | Microsoft Notepad | Microsoft Corporation |
.MEDLINE | National Library of Medicine | Datatiedostot | MEDLINE Document | Microsoft Notepad | Microsoft Corporation |
.MENU | id Software | Pelitiedostot | Quake 3 Engine Menu File | Microsoft Notepad | Microsoft Corporation |
.MF | Walt Disney Imagineering | Pelitiedostot | Gameplay Multifile | Microsoft Notepad | Microsoft Corporation |
.MIB | Milenix Software Ltd. | Varmuuskopiointitiedostot | MyInfo Topic Backup | Microsoft Notepad | Microsoft Corporation |
.MIN | Okuma | CAD-tiedostot | Okuma CNC Program File | Microsoft Notepad | Microsoft Corporation |
.MMT | Open Source | Pakatut tiedostot | Nimbus 7 SAMS Data File | Microsoft Notepad | Microsoft Corporation |
.MNU | Autodesk, Inc. | Asetustiedostot | AutoCAD Interface Layout File | Microsoft Notepad | Microsoft Corporation |
.MODULE | Open Source | Laajennustiedostot | Drupal Module File | Microsoft Notepad | Microsoft Corporation |
.MRK | Microsoft Corporation | Harvinaiset Tiedostot | DPOF Auto Print Order File | Microsoft Notepad | Microsoft Corporation |
.MSC | Microsoft Corporation | Harvinaiset Tiedostot | Microsoft C Makefile | Microsoft Notepad | Microsoft Corporation |
.MSH1XML | Microsoft Corporation | Asetustiedostot | Monad Display Configuration File | Microsoft Notepad | Microsoft Corporation |
.MSL | Microsoft Corporation | Sovelluskehittäjän tiedostot | Mapping Specification Language File | Microsoft Notepad | Microsoft Corporation |
.NFO | Microsoft Corporation | Järjestelmätiedostot | System Information File | Microsoft Notepad | Microsoft Corporation |
.NOW | The Document Foundation | Tekstitiedostot | Readme Text Document File | Microsoft Notepad | Microsoft Corporation |
.OCR | URUWORKS | Harvinaiset Tiedostot | Subtitle Workshop OCR Script | Microsoft Notepad | Microsoft Corporation |
.ODF | Oracle Corporation | Harvinaiset Tiedostot | OpenDocument Formula | Microsoft Notepad | Microsoft Corporation |
.OUT | Open Source | Suoritettavat tiedostot | Compiled Executable File | Microsoft Notepad | Microsoft Corporation |
.P5 | Larry Wall | Sovelluskehittäjän tiedostot | Perl Source Code | Microsoft Notepad | Microsoft Corporation |
.PCC | Electronic Arts | Pelitiedostot | Mass Effect Package | Microsoft Notepad | Microsoft Corporation |
.PER | Microsoft Corporation | Pelitiedostot | Age Of Empires Personality File | Microsoft Notepad | Microsoft Corporation |
.PERL | Larry Wall | Sovelluskehittäjän tiedostot | Perl Source Code | Microsoft Notepad | Microsoft Corporation |
.PGP | Autodesk, Inc. | Asetustiedostot | AutoCAD Program Parameters File | Microsoft Notepad | Microsoft Corporation |
.PHL | Amazon | eBook Tiedostot | Kindle Popular Highlights File | Microsoft Notepad | Microsoft Corporation |
.PHP | Panic | Web-tiedostot | PHP Source Code File | Microsoft Notepad | Microsoft Corporation |
.PHTM | The Catalina Group | Web-tiedostot | PHP-Based Web Page | Microsoft Notepad | Microsoft Corporation |
.PKB | Oracle Corporation | Sovelluskehittäjän tiedostot | Oracle Package Body File | Microsoft Notepad | Microsoft Corporation |
.PKS | Oracle Corporation | Datatiedostot | Oracle Package Spec File | Microsoft Notepad | Microsoft Corporation |
.PL | Larry Wall | Sovelluskehittäjän tiedostot | Perl Source Code | Microsoft Notepad | Microsoft Corporation |
.PLIST | Apple | Asetustiedostot | Property List XML File | Microsoft Notepad | Microsoft Corporation |
.PLR | Re-Logic | Pelitiedostot | Terraria Player File | Microsoft Notepad | Microsoft Corporation |
.PM5 | Adobe Systems Incorporated | Sivun asettelutiedostot | PageMaker 5.0 Document | Microsoft Notepad | Microsoft Corporation |
.PO | Sublime HQ Pty Ltd | Sovelluskehittäjän tiedostot | Portable Object | Microsoft Notepad | Microsoft Corporation |