Check out my new book : LibreOffice Calc - Spreadsheet Macros Using BASIC. I cover the basics of macros and include sample code for advanced topics like duplicating sheets, using file dialogs and writing the sheet to PDF. Well worth a try. Available at Tolino: https://www.thalia.de/shop/home/artikeldetails/A1081072501 Vivlio: https://shop.vivlio.com/product/9798235750753_9798235750753_10020/libreoffice-calc-spreadsheet-macros-using-basic Kobo: https://www.kobo.com/ie/en/ebook/libreoffice-calc-spreadsheet-macros-using-basic?sId=b01f3d9e-16c3-4b66-a293-b61ad6149d0d&ssId=fI_994IClwPaGmrbxiTub Barnes & Noble: https://www.barnesandnoble.com/w/libreoffice-calc-spreadsheet-macros-using-basic-michael-anderson/1150881741?ean=2940196750618