Excel is not updating cells, options > formula > workbook calculation set to automatic

Question

The usual answer to this question is to turn formulas to automatic. This, in my case, is not working.

The second usual answer is that there is some macro that is a

Answer 1

I had a similar issue with a VLOOKUP. The field I was using to VLOOKUP was formatted as a custom field. Excel was saying it was a number stored as text. Clearing this error (selecting all fields with the error, beginning with the first one with the error and clicking change to Number even though I didn't really want it to be!) fixed it.