| D Programming Language Source Code Format | |
| N/A | |
| Ads |
D file contains source code for multi-paradigm programming language D. D language was created in 2007 and features syntax similar to C and C++ languages. The language was also inspired by Java and C#.
D files are saved in plain text format and can be opened using any mobile or desktop text editor. To edit the D source code a D language compiler must be used.
| .a | Unix Static Object Code Library Format |
| .a2w | Alice Program World Format |
| .actx | DS Game Maker Action Description Format |
| .ada | ADA Language Source Code Format |
| .addin | Microsoft Visual Studio Addin Format |
| .ads | Ada Package Specification |
| .agi | Asterisk Gateway Interface Format |
| .alb | Alpha Five Data Dictionary |