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.

Maybe you’re not interested in alternatives to Word and Excel, but bear in mind that these alternatives handle Microsoft file formats very well—not perfectly, but well enough in most cases.

Populating a dropdown with a dynamic list is easy thanks to Microsoft Excel’s UNIQUE() dynamic array function.