| File Extension: | DDF |
| File Type Description: | Diamond Directive File |
| File Type Developer: | Microsoft Corporation |
| Primary Associated Software: | Microsoft Notepad |
| Primary Software Developer: | Microsoft Corporation |
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Diamond Directive File files are the most popular type of files to carry the DDF file extension, originally developed by Microsoft Corporation for Microsoft WordPad. Website visitor analysis indicates that DDF files are commonly found on Windows 10 user machines, and are most popular in United States. Frequently these users are visiting our web site using Google Chrome.
 | Microsoft WordPad by Microsoft Corporation |
 | Microsoft Notepad by Microsoft Corporation |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | Linux |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .PCC | Electronic Arts | Game Files | Mass Effect Package |
| .JS | NetScape | Web Files | JavaScript File |
| .SCA | Symantec Corporation | Data Files | Norton AntiVirus Scan File |
| .ORF | Olympus Corporation | Camera Raw Files | Olympus RAW File |
| .M4B | Apple | Audio Files | MPEG-4 Audio Book File |
| .F13 | Microsoft Corporation | Font Files | MS-DOS Screen Text 13 Pixels Height Font |
| ._SLN100 | Microsoft Corporation | Data Files | Microsoft Visual Studio File |
| .DESKTHEMEPACK | Microsoft Corporation | System Files | Microsoft Windows Theme Pack |
| .OLM | Microsoft Corporation | Data Files | Mac Outlook Database File |
| .HXS | Microsoft Corporation | Web Files | Help 2 Compiled Help File |
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