\chapter{Save and Open Project}\label{sec:USSavingOpeningProject}


\section{Saving a project}
The project can be saved at a location defined by the user.

\section{Opening a project}
The user must be able to open an existing project. When calculations were made, also the calculation results must be shown.
When a project is created in a previous version of DAM (i.e. DAM 18.1 or 19.1), the project cannot be opened and an error message is shown.
Recreate the project again with the original source data.
See \autoref{sec:USCreateDesignProject} or \autoref{sec:USCreateCalamityProject}.

