How to check duplicate subscribers between two lists?

Step 1: To split your list, go to List> Tools.

Step 2: Click on Sync Subscribers.

Step 3:

  • Select your primary list
  • Select your secondary list
  • Select the action you want to perform when the same subscriber is found in both lists – “Do Nothing” or “Delete subscriber from secondary list”
  • Click on Sync to perform your action