How can I add or subtract months from a date using the EDATE function in Excel? To use the EDATE function you will need the starting date and the number of months to add or subtract.

Subtracting in Excel Like we already mentioned, there’s no actual command in Excel for subtracting values, you have to use an operator in a formula.

Excel provides one general formula that finds the difference between numbers, dates and times. It also provides some advanced options to apply custom formats to your results.