Spell checking does not work - Support and Troubleshooting

Spell checking does not work Description When typing in HTML or Journal fields, spell-checking does not work correctly.

Release or Environment NOTE : Spell check is not supported in UI15 or UI16

Cause The ServiceNow platform no longer provides its own spell-checking feature.

Resolution The Now platform now relies on spell check performed by the client-side browser. Please review your browser configuration to ensure spell-checking is working correctly.

Additional Information Related issue: Unable to right click-paste in TinyMCE fields after Tokyo upgrade or above