Export contacts who not been contacted yet.

kevin

Beginner
Apr 1, 2022
3
0
1
can you let me know how can I export the contact who never recivied email from me. I can see 3000 emails sent out of 18K. I want to re upload only the 15 K.
 

kevin

Beginner
Apr 1, 2022
3
0
1
Answer me what I asked, I need to filter the contacts that I sent them already and want to remove from my list.