From the Project
menu, select Open All Project
Files.
Or
Click on the Open All Files 
icon on the Project
Manager toolbar.
Select the project. This file must have the .proj extension.
Click on the OK button.
This command allows you to open all the files belonging to one project.
From the Project
menu, select Open All Project
Files.
Or
Click on the Open All Files icon on the Project
Manager toolbar.
Select the project. This file must have the .proj extension.
Click on the OK button.