Just to add a little extra detail to David's advice, you can read the
"Extensions" chapter of the Apache OpenOffice "Getting Started" Guide here:
https://wiki.openoffice.org/wiki/Documentation/UserGuide/Extensions
As per David's message, Do Not reply to me personally but just to the
list at
Rega
You don't mention what type of English spelling you need - e.g. British,
US, etc so I'll suggest the most common dictionary, or spell checker,
extension for US, GB, AU, CA and ZA which you can download from
https://extensions.openoffice.org/en/project/english-dictionaries-apache-openoffice
Som
