Excel DATEVALUE is a Date and time function, and its purpose is to converts a date in the form of text to a serial number. Learn how to use it.

The NETWORKDAYS function in Excel is a date and time function that returns the number of whole working days between Start_date and End_date.

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions.

How to Use Month and Weekday Functions in Excel. Microsoft Excel's Month and Weekday functions output numeric values for a given date. The Month function results in the month numbers, such as "3 ...

Microsoft Word has a date field, but it's not easy to use in an expression. If you need to update dates in a document, use Excel to calculate the dates and then run a mail merge.