Hi, I've opened up my file and my window has split into two. As you can see below a quarter of the screen is the workable area then the remaining screen is grey. Has anybody had this problem how do you bring this back to 1 screen?

Hi, I'm currently working on a multi-dwelling/building project where all buildings are touching each other. I've hotlinked each file into a master file to develop a site plan. I am now completing the working drawings in each individual mod file, however, as each building are...