Excel Add or Subtract Hours, Minutes, Seconds, Yea

This software offers a solution to users who want to add / subtract time and dates in MS Excel. Now you can add or subtract a uniform number of hours, minutes, seconds, years, months or days to times and dates. Simply drag and drop one file or an entire folder of files to queue. Modifications can be applied to the entire workbook, to the active sheet, or to a group of selected cells. Excel 2000 or higher required.