Here’s how it works:
There’s not much of an interface for this one, you simply go to a sheet
and run the command. It will then go into a selection mode asking you
to “Pick viewports in the desired order.”
Download Viewport Renumber 2013, 11.48 kB
Download Viewport Renumber 2014, 11.92 kB
Original post by Tim Logan:
Revit Viewport Renumber Tool | LMNts