DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000, which is the only version that explains how this function works.

The IF function is one of the most flexible functions in Microsoft Excel and has a range of uses that can be helpful in comparing data entries and isolating specific data points. The IF function can ...

The Today() function represents the current date in Microsoft Excel. If you type the =Today() function in any cell and press Enter, Excel will show you the current date. Therefore, this method is used ...

As you create Excel spreadsheets for your small business, time and date functions frequently add both convenience and programming capability to your workbooks. There's good news with date functions.

Subtraction is the easiest way to count days between two dates in Excel. You can use the arithmetic operator – (minus sign) to subtract one date from another to find the number of days between them.

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...