Kinds of NIB Files

Leading NIB Type

.NIB

Extension:	.nib
Group:	Interface Builder User Interface File

Interface Builder User Interface File is used to save the user interface component including a window or a view, besides the text fields, buttons, and other interactive components.

Company:	Apple
Function:	Developer Files
Subkey:	HKEY_CLASSES_ROOT\.nib

Software Programs That Open The Interface Builder User Interface File:

Apple Xcode by Apple

	Mac
	iOS

OS X El Capitan

Apple Interface Builder by Apple

Mac

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Understanding NIB Issues

Common Problems Opening NIB Files

Apple Xcode is Not Installed

When you double-click your NIB file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". If so, it typically means that you don't have Apple Xcode installed for %%os%%. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.

Tip: Another NIB-related program can be selected to open the file by clicking "Show Apps" and finding the application.

Wrong Version of Apple Xcode is Installed

In other instances, your Interface Builder User Interface File file version may not be supported by your version of Apple Xcode. Visit the Apple website to download (or purchase) the latest version of Apple Xcode. This problem is predominately due to having a Interface Builder User Interface File file version that was created by a newer version of Apple Xcode than what you have installed on your PC.

Tip: Investigate your NIB file by right-clicking and selecting "Properties" to find clues on what version you need.

Regardless, most of the NIB file opening problems relate to not having the right version of Apple Xcode installed.

Other Causes of NIB File Opening Problems

You can still experience errors opening NIB files even with the latest version of Apple Xcode installed on your PC. If you are continuing to have errors with loading NIB files, other external issues might be to blame. Issues that aren't software-related:

• Windows Registry NIB file paths that are incorrect
• Mistaken removal of the Windows registry NIB description
• Corrupt install of Apple Xcode or other NIB-related program
• NIB file corruption
• NIB file integrity has been compromised by malware
• NIB-related hardware has device drivers that obsolete
• Your PC doesn’t have enough available resources to open the Interface Builder User Interface File file