The following versions are available in the Project System:

• Plan versions A plan version is created in accounting and stores different cost plans for a project, such as an "optimistic" and a "pessimistic" plan.

• Project versions A project version is created for operative structures or in the information system and captures the state of a project at a certain point in time or with a certain status.

• Selection versions
  A selection version is used only in the information system for processing in the background and saves project data matching certain selection criteria for retrieval.

• Simulation versions