When you transition from an older release of Collaboration for Revit to a newer release of Collaboration for Revit, you must upgrade the project and its Revit models. In the following workflow, you upgrade the models individually in the Collaboration for Revit project.
For the recommended method, see Upgrade Project Models for Collaboration for Revit (Recommended Method)
Follow these steps to upgrade an Collaboration for Revit project and associated Revit models before you start working in a newer release of Revit.
A newer version of the model is created.
When you initiate collaboration, the model is associated with the new Collaboration for Revit project.
There are now two separate and distinct projects (newer version and older version). Project team members must use the upgraded project and models when collaborating.