Some useful video links.

How to create an Email using Drag Drop Builder & Plain Text Editor?

https://www.youtube.com/watch?v=rs2oUat9hiQ

How to set up a Custom field?

https://www.youtube.com/watch?v=YEJxGDekbHo

How to do email list segmentation?

https://www.youtube.com/watch?v=HTC4ffxeEoY

How to export, empty, and delete the subscriber list?

https://www.youtube.com/watch?v=md1hq03eC28

How to import a subscriber list?

https://www.youtube.com/watch?v=-PZY_CE7GTw

How to Import Subscribers to Suppression List?

https://www.youtube.com/watch?v=v5gQLvqDHXE&list=PLgffPJ6GjbaK-lJ4WBVBOWke8VhEY44ZY&index=6

How to Copy, Move, Delete & Block Subscribers?

https://www.youtube.com/watch?v=36r0ee7a6lw&list=PLgffPJ6GjbaK-lJ4WBVBOWke8VhEY44ZY&index=7

How to Save List of Subscribers who have Opened your Email?

https://www.youtube.com/watch?v=TKdFSPdO448&list=PLgffPJ6GjbaK-lJ4WBVBOWke8VhEY44ZY&index=9

Originally posted by Abhishek on 2022-02-24 (forum thread #4110).