How to open NIB file format? (Interface Builder User Interface File)

Problems with opening NIB files occur very often among users. Unfortunately, not everyone is aware that the basic and usually the most common problem is the lack of an installed software to handle the NIB file. Its full name is Interface Builder User Interface File and the company responsible for its development is Apple. Your NIB file has probably an encoded information from the Developer Files category. If you want to view its contents, open, edit or convert the NIB file to another format, install one of the applications from the list, which is presented below on this page. Can’t you still open your NIB file? Please, visit file extension nib where you will find more information.

Programs using this file extension

Mac OS
– Xcode
– Interface Builder