Retrieve data using Workbench or take backup of all meta data,classes ,trigger etc. using Workbench

To retrieve data from salesforce using workbench We need Package.xml. This package must contain all information about backup files.

package must be looks like following way :-

Steps to take backup:-
Step 1 :-  Click on migration and select Retrieve option.

Step 2:- Upload package.xml and click on Next button 

Step 3:- Click on Retrieve button.

Step 4:- Finally you get Download ZIP File.

You can use pacakge.xml file from Eclipse IDE