Funny, I've asked the same (and more) >here<. If you want to see a Print Preview, switch the selection back to "Current Window" so the option in available again. Revit will retain your selection when you switch back to "Selected Views/Sheets".
Corey D. ────────────────────────────────────────────────────────────────────── ⁞|⁞ Please use .Accept as Solution and Give Kudos as appropriate to further enhance these forums. Thank you!