| .ALX | BlackBerry | File di settaggi | BlackBerry Application Loader XML File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .APD | ACD Systems | File con immagini raster | ACDSee Photo Document | Eclipse | The Eclipse Foundation |
| .AP_ | Google | File sviluppatore | ADT Android Developer Package | Eclipse | The Eclipse Foundation |
| .BSH | Open Source | File sviluppatore | BeanShell Script | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .CC | Don Ho | File sviluppatore | C/C++ Source Code File | Eclipse CDT | The Eclipse Foundation |
| .CLASS | Oracle Corporation | File sviluppatore | Java Class File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .CXX | Embarcadero Technologies | File sviluppatore | C++ Main Source Code File Format | Eclipse CDT | The Eclipse Foundation |
| .ERD | Open Source | File di dati | Entity Relation Diagram | Eclipse | The Eclipse Foundation |
| .ESP | Bethesda Softworks | File di giochi | Elder Scrolls Plugin File | Eclipse CDT | The Eclipse Foundation |
| .EXL | SysTools Solutions | File di dati | Export Lister File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .F | The Eclipse Foundation | File sviluppatore | Fortran Source Code | Photran | The Eclipse Foundation |
| .F03 | The Eclipse Foundation | File sviluppatore | Fortran Source Code | Photran | The Eclipse Foundation |
| .FPP | The Eclipse Foundation | File sviluppatore | Fortran Source Code | Photran | The Eclipse Foundation |
| .FTN | The Eclipse Foundation | File sviluppatore | Fortran Source Code | Photran | The Eclipse Foundation |
| .GROOVY | VMware | File sviluppatore | Groovy Source Code File | Eclipse | The Eclipse Foundation |
| .H | The Eclipse Foundation | File sviluppatore | C/C++/Objective-C Header File | Eclipse CDT | The Eclipse Foundation |
| .HISTORY | The Eclipse Foundation | File sviluppatore | Eclipse IDE Local History Data | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .HXX | The Qt Company | File sviluppatore | C++ Source Code Header File | Eclipse CDT | The Eclipse Foundation |
| .INDEX | The Eclipse Foundation | File di dati | Eclipse Help Index | Eclipse CDT | The Eclipse Foundation |
| .IPP | The Eclipse Foundation | File sviluppatore | Inline Guard Macro File | Eclipse CDT | The Eclipse Foundation |
| .J | Oracle Corporation | File sviluppatore | Java Source File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .JAV | Oracle Corporation | File sviluppatore | Java Source Code | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .JAVA | Oracle Corporation | File sviluppatore | Java Source Code | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .JKS | Oracle Corporation | File codificati | Java Keystore File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .JSP | Oracle Corporation | File web | Java Server Page | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .JSPA | Xinox Software | File web | Java Servlet Alias | Eclipse | The Eclipse Foundation |
| .JSPF | Oracle Corporation | File sviluppatore | Java Server Page Fragment | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .KEYSTORE | Oracle Corporation | File codificati | Java Keystore File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .KM3 | The Eclipse Foundation | File sviluppatore | Kernel MetaMetaModel File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .KS | Debian | File di sistema | Kickstart File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .LAUNCH | Rogue Wave | File di settaggi | Zend Studio Debugger Configuration Data | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .NSH | Nullsoft | File sviluppatore | NSIS Header File | Eclipse | The Eclipse Foundation |
| .PHL | Amazon | File eBook | Kindle Popular Highlights File | Eclipse | The Eclipse Foundation |
| .PHP | Panic | File web | PHP Source Code File | Eclipse CDT | The Eclipse Foundation |
| .PHP2 | Open Source | File web | PHP 2 Web Page | Eclipse | The Eclipse Foundation |
| .PREFS | VectorStorm | File di giochi | MMORPG Tycoon Preferences File | Eclipse CDT | The Eclipse Foundation |
| .PROJECT | The Eclipse Foundation | File sviluppatore | Eclipse Project Description File | Eclipse | The Eclipse Foundation |
| .PROPERTIES | Mojang | File di giochi | Minecraft Properties File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .SMA | Don Ho | File sviluppatore | C/C++ Source Code File | Eclipse CDT | The Eclipse Foundation |
| .SYM | The Eclipse Foundation | File sviluppatore | Symbols File | Eclipse CDT | The Eclipse Foundation |
| .TLD | The Eclipse Foundation | File sviluppatore | Tag Library Descriptor File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .UML | Visual Object Modelers | File sviluppatore | UML Data Object Model | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .UMLCLASS | The Eclipse Foundation | File sviluppatore | UML Class Model | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .XBD | Xerox | File di dati | DocuWorks Binder File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .XMI | Object Management Group (OMG) | File di dati | XML Metadata Interchange File | Eclipse IDE for Java Developers | The Eclipse Foundation |
| .ZMS | Check Point Software Technologies Ltd. | File di dati | ZoneAlarm Mailsafe Renamed Data | Eclipse | The Eclipse Foundation |
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