As soon as someone that is similar to most people in my life sees the words “.csv” and “hamburger menu” their eyes will glaze over and they’ll bounce.

Plus there’s step number 4 that I know will scare folks away…

Select Import and Export >>> Import >>> Import type dropdown: “Lists” (NOT “Following list”) >>> Verify that ‘Merge’ is selected >>> Browse >>> Select “[file name] – list.csv” >>> Upload >>> Confirm