| Apple Swift Programming Language Source Code | |
| Apple, Inc. | |
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SWIFT files store source code written Swift programming language. Swift is used for developing applications for Apple iOS, watchOS, and iPadOS, as well as macOS and tvOS platforms. Swift applications are commonly created using Xcode IDE.
The SWIFT format was first presented at WWDC in June, 2014. Swift programming language is strongly tied to Apple products and is considered to be one of the most prospective and revenue-generating programming languages in the world.
Mac OS
| .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 |