anyone need any help, I’ve done it and excel, and pdf.
Yes actually. I would love to:
- create a password protected (locked) excel file
- write to and read from it
any help would be insanely awesome. I hope I don’t need any plugins that cost money 
You might have a look at this link: http://great-white-software.com/rblibrary/index.php?main_page=index&manufacturers_id=34
And for Libreoffice/OpenOffice: https://forum.xojo.com/4693-write-an-openoffice-libreoffice-document-with-use-