a) Go to the dashboard click on the ‘Contacts’ from the left menu. as shown below.
b) Select multiple contacts using the check box as shown below screenshot.
c) Select multiple contact and click on drop down button as shown below.
d) You will get the option to ‘Change Campaigns.’ for multiple contacts as shown below.
e) You will get a new window, from there you can Add or Remove the change campaigns properties for selected contacts and click on “Save“.