Are you tired of manually entering a time and date formula into each of your Microsoft Excel worksheets? Then learn how to shave time off your Excel work by creating a named Date/Time stamp formula.

Date and Time Stamps Open the spreadsheet you want to edit in Excel and then select the cell where you want to insert the date.

Bookkeepers, project managers, HR departments and more use the Excel Date & Time functions WEEKNUM, ISOWEEKNUM, WORKDAY, WORKDAY.INTL to calculate time. Here's how.

DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000. It's fallen off current Excel menus, but you can still use ...