This article explains how to set a validity date on a document.

Set a Validity Date on a Document

Global ➜ Global Files ➜ Click on the relevant document ➜ Click on "Validity" ➜ Enable "Specify document validity" ➜ Fill in "Document valid until" ➜ Optionally, select "Assignee" (Note: Only one assignee with a Knowledge & Communication license can be chosen) ➜ Optionally, choose to send a reminder a certain number of days before the validity date ➜ Save

An expiration date has now been set on the document, and you can see the date in the overview of your documents.