The “Document” menu contains all the document settings for your current text. Universal settings, which are valid for all documents in Papyrus Author, can be accessed in “Preferences.””Document Properties…” contains all the settings relevant to your...
Under “Document” → “Indices and Directories” → “Associated Documents”, you can assign co-documents to your main text, which will then also be opened when you open the main text. If you are writing a novel, for example, you can choose to have...