If you're tired of reconfiguring your customized column configuration when upgrading EST/CAM, or setting up a new user or moving to a new computer, I did a little writeup on how to copy that data over to other version, users, products and computers. 

https://www.darrenjyoung.com/2023/07/31/retaining-customization-during-upgrades/

PS: For some reason, I never remember to do this myself until the person I'm updating asks if it's possible.