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 simplest way to add an apostrophe before a date in Excel is to type it directly before the date when entering it in a cell. This method works best when you’re dealing with a small number of ...

When you use Microsoft Excel to store and analyze business data, your workbooks and worksheets often contain date information. Although your original data may need to display full month, day and year ...

When you enter a date that's formatted with slashes, Excel will recognize it as a date. For example, Excel will automatically choose the date format for a cell that contains 11/11/19. You can set ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...