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? Available language MST files How to Install .FZIP File for Foxit PDF Editor or Foxit PDF Editor Pro 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 '? Comments 0 comments Please sign in to leave a comment.