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