To calculate the expiry date in Excel, you may use the following methods: Add days directly; ... This function returns the difference between two dates in terms of days, months, or years.

Excel will calculate the number of days between the dates entered in cells B3 and A3 and display the result in cell C3. Take your mouse pointer to the lower-right corner of cell C3. It will turn ...

The final function calculates the differences in months and days without the years and shows the date with “d.” Now you know how to calculate age in Excel. Please only use your powers for good.

To ensure that Excel converts your date to a number enter it like this, without quotes: "4/4/2011". Then click on cell "A2" and enter the later of the two dates in the same manner.

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 it.

Open a new Microsoft Excel 2010 spreadsheet. Click on cell A1 and enter the earliest date and time from where you want to count. Enter the date first, then press "Space" and enter the time using a ...