You can enable your colleagues to access your models by granting rights via the inspector.
Open the model inspector either from the model overview or from within a model and scroll to the "Shared with" section.
Grant rights to co-workers with the "+" buttons:
Full access Allows to change anything of the model
Limited access Users with limited access are allowed to create simulations on top of the model, but cannot enter the model editor. They can still explore and understand the whole model via "tree views" in the Simulation Workspaces.
You can also share Workspaces and limit the rights on certain dimensions via global filters.
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