[psyc]

Most comments are talking about todo lists. I use those a lot. I keep a detailed hierarchical list of tasks in OneNote, and move them to a done list when complete.

But I think you meant checklists like pilots use to avoid human error. I make those very reluctantly, preferring to simplify whatever system seemed to need a list.

[npsimons]

Sometimes, you just really need a check list. Two off the top of my head are packing lists and SOAP notes (https://en.wikipedia.org/wiki/SOAP_note).