Hello,
I need a way to identify where dates are missing per ID. If ID002 fills out a survey on 9/6, 9/7, 9/8, 9/9, 9/12, 9/13, I want excel to create blank rows between 9/9 and 9/12 to represent the missing data from 9/10 and 9/11. This spreadsheet will eventually have 300+ IDs filling our...