You need to right click on the file and click open with > 3D Web Scene Viewer (offline) if you haven't published it online. Also make sure you're not using internet explorer, or that if you are then you need to install the chrome frame first for it to work as internet explorer is not web GL capable.
Signed in members can post, follow updates, and more. New here? Register a free account.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.