You can export the required customized dashboard to any location on the system, then import it when you require it.
Log in to Analytics Dashboard
Click the Load icon, then select the customized dashboard that you require to export
Click the Save icon
Click Advanced > Export schema
Click Save > Browse to save the file to the required location
Log in to Analytics Dashboard
Click the Load icon
Click Import schema
Click Choose File to browse to the correct location, then select the required dashboard file
Save the imported dashboard