Note : Deleted Projects are only available in the Recycle Bin for 90 days. After this point, they will be permanently deleted.

A Recycle Bin button is available in the the 'System' ribbon, which allows deleted Projects to be restored:

Pressing this will bring up a list of Projects which have been deleted within the last 90 days:

To Restore a deleted Project, select the required Project and click the 'Restore' button:

Click 'OK'.  The main Projects grid will then refresh and include the restored Project.