This Writer advanced tutorial explains how to change margins in Writer – LibreOffice, OpenOffice.
This advanced tutorial will explain how to suppress or clear out the recent document list in LibreOffice. This method applies to all LibreOffice suits of components (Writer, Calc, Impress, Draw etc.).
This advanced Writer tutorial would explain how you can apply different orientation (portrait or landscape) in one or multiple pages of a LibreOffice Writer document.