How to change the handwriting recognition language for an existing document? Steven Chan July 19, 2017 11:25 Updated Follow Open the document. Open the search window by tapping ... > Search. Tap the language name at the bottom of the search window. Choose the language that you prefer. Related articles How to change the default handwriting recognition language for new documents? What kind of pen can I use instead of my finger? What size should I make templates for the iPad Pro? How to transfer GoodNotes data to a new device? How to edit PDF outlines or table of contents?