XIB File opens like an XML in XCode but opens correctly with Interface Builder

Question

When I double-click my file StartWindow.xib in Xcode 4, it does not open into the integrated Interface Builder; it opens like a XML file. I can open all other xib files and they

Answer 1

I had the same problem recently, make sure you have selected the appropriate Editor view in the upper right hand corner, which would either be the Standard Editor or Assistant Editor. The Version Editor option will make the .xib file appear in its .xml form.