LibreOffice 6.1 Help
In the Window menu, you can open a new window and see the document list.
Opens a new window that displays the contents of the current window. You can now view different parts of the same document at the same time.
To quickly move the cursor to another page while you are in a document, press Shift+Command Ctrl+F5, type the number of the page that you want to jump to, and then wait a few moments.
Lists the currently open documents. Select the name of a document in the list to switch to that document.