You can bring the views or layouts from one file into the other through the organizer. Open it. The file you are in should be on the right side. On the left at the top, browse to the file your colleague is working in and bring in the views or layouts by dragging and dropping them from the left side to the right.
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
"Implementing Successful Building Information Modeling"