The content of fields is updated automatically when you open a document, send it to print and save it as a PDF.
To update the fields manually, proceed as follows:
1.Specify the fields to be updated:
•To update one or more fields, select those fields or the text that contains those fields.
•To update all fields in the document, in the Edit menu, choose Select All. Or press Ctrl+A or Cmd+A.
2.Run the update command in one of the following ways:
•Right-click the selected fields or text to open the context menu and run the Update Field / Update Fields command.
•Press F9.