Interapplication communications may refer to any of the following:

  1. Alternatively known as an Apple Event, IAC (Interapplication communications) is the method of how the Apple Macintosh computer and software programs communicate with one another.

  2. IAC is also shorthand for In Any Case, IAC is an acronym used in chat rooms and message boards. Below is an example of how this could be user in chat.

IAC, I still think you’re a good person.

Apple terms, Chat terms, Computer acronyms

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