In order to save your changes, you’ll need to use the Synchronize with Central feature. “Central” essential refers to the name of your project on BIM 360 Team. In this case, “Central” is Collaboration for Revit Pilot. Learn more: www.Autodesk.com/cloud-connected-teams
Synchronizing with Central ensures that everyone who is leveraging your architectural model will be able to see any design changes that you make within the model.
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