How to restore a backup of a BIM360 model

Issue:
How to view or restore a backup of a BIM360 model

This solution can be used when a BIM360 model is corrupt, or when you want to go back to an older version of the model. 

Solution:
To view and restore an earlier version of a cloud model, please refer to the  solution in the link below:
https://knowledge.autodesk.com/support/revit-products/learn-explore/caas/CloudHelp/cloudhelp/2018/ENU/Revit-CAR/files/GUID-A5D26FC2-A8DE-4D94-ACD1-5A0BD66DC869-htm.html