Spell check
You reach this tab when going in Addon Settings → Field Selection.
Spell check compares the words in your text element with words of OpenOffice dictionaries. Spell check can suggest alternative spelling and words.
Define here the settings for the Spell check:
Spell check will work when you create an activity or record a history.
ATTENTION:
Use of spell check takes some additional time during ACT! startup

See also
Common Settings
Folder Settings
Window handling
Configuration Management