Looks like a rookie problem, but I've tried everything I know...
Cannot re-format date from 1900 number to usable format. Would like to have Month-Day. Had it displaying like I wanted, and then it just changed to 43415 instead of 11/11/2018. Changing cell format results in same display. Other cells are dependent on this value (i.e. =A2+7 for date a week later).
Cells were set to format as mmm d, but still displays =A2+7
