In Word, you can perform logical comparisons in a table using formulas. A formula in Word updates automatically when you open the document that contains the formula.

Performing Calculations in a Table When working with tables, I often use the Formula feature to perform basic calculations in Word.

How to use the VBA procedure in Word As you can see in Figure D, the demonstration file comprises two pages and each page has two Word fields, {PAGE} and {NUMPAGES}.

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.