Excel’s Date & Time functions ease the workload for bookkeepers, project planners, HR departments, and other jobs where time is money. The four functions covered here—ISOWEEKNUM, WEEKNUM ...

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.

So, if Excel does not recognize the date format, using the DATEVALUE function, just enter the formula =DATEVALUE (A1) in the formula field and refer to the cell containing the date that Excel ...

Set Current Date in Excel The easiest way to add the current date in Excel is to simply type the date. For instance, typing "2018-07-31" in a cell is automatically detected as a date.

For example, if you want to add 9-7-2000 but it is getting changed to date 09-07-2000, you can add an apostrophe before the number like ‘9-7-2000. It will be shown as 9-7-2000.

Microsoft Excel 2010 has 400 functions in 11 categories. Categories for both spreadsheet programs include Date and Time, Text, Statistical, Financial and Engineering.