
There are two ways you can mark a project as "unavailable" and remove it from the project tree.
1.
a. In the Project Navigator Toolbar, click the project or subproject you want to remove.
b. From the Projects menu, select Delete.
c. A message box asks you to confirm the delete.
d. Click OK to remove the project from the project tree.
2.
a. Right click on the Project.
b. Select Delete from the menu.
You can also remove a project from the database entirely by selecting Archive: either by right clicking on the project or choosing it from the Tools menu.