How do I disable the Spell Checker? Help Center March 07, 2020 02:00 Follow To disable the Spell Checker, please do the following steps:Open Foxit Reader.Choose FILE > Preferences > Spelling.Uncheck the option Enable Spell Check. Related articles Enable and Disable Spell Checker How to uninstall the Spell Checker? When I put ' on ' in the Search window I got everything with 'on' for example contributor, contents, section, on etc but I am searching ' on '? How to Reduce the File Size How to Install .FZIP File Comments 0 comments Please sign in to leave a comment.