You can open existing project by clicking on the Open button under the Projects tab or you can choose the project from Recently used projects under the Projects tab:
Open a project partially
When working with large projects and multiple linked files, opening a MAGNET Explorer *.VMPX file can take a while.
If you have a large project with multiple model files linked into it, you can open the project only with the selected models, so you don’t need to load all the model files. Additional files can be easily loaded afterwards.
The function is activated by right clicking on the project icon in Recently used.
You can choose the files from list, remove files from the project or add new files to the project.
You can also use advanced opening by right-clicking on Open icon: