To insert the current date or time so that it is updatable, use the TODAY and NOW functions, as shown in the following example. For more information about how to use these functions, see …

The TODAY function is useful when you need to have the current date displayed on a worksheet, regardless of when you open the workbook. It is also useful for calculating intervals.

The NOW function is useful when you need to display the current date and time on a worksheet or calculate a value based on the current date and time, and have that value updated each time …

To add the current date at the time of printing to the bottom of every printed page, simply insert the date in the worksheet footer. Similarly, you can also add the date to the top of every …

In the Insert AutoText box, click Field. In the Select a Field or Group dialog box, select the field containing the date or time you want to appear in the header or footer.

Use Excel functions including TEXT, TODAY, and DATEVALUE to insert or convert a date to a Julian date.

If you'd like the date to be updated every time someone opens the document, you can insert the date as a field. On the Insert tab, in the Text group, click Date & Time.

From the Header & Footer Ribbon menu, click Insert Date or Insert Time. You can also insert the Page Number, Number of Pages, File Path, File Name and Sheet Name.

Feb 2, 2012 · If you don’t like the default date format, you can pick a different one in Excel, like February 2, 2012 or 2/2/12. You can also create your own custom format in Excel.

Use Excel's DATE function when you need to take three separate values and combine them to form a date.