File Type : Interface Builder User Interface Resources (Apple Inc.)
Compatible with (Win10, Win8, Win7, Vista and WinXP)
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File created by Interface Builder, a software development program (included with Apple Xcode) used for building user interfaces for Mac OS X applications; saves a user interface component such as a window or a view as well as the text fields, buttons, and other interactive components.
While NIB files aren't required for Mac OS X applications, they are commonly used since creating interfaces visually in Interface Builder is often easier than creating them programmatically.
NOTE: Version 3 of Interface Builder introduced the .XIB format, which stores the same information as a NIB file but uses a text-based file format.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.
Software that can be used to open NIBfiles: