In Toad for Oracle 11.6, go to Options | Editor | Behavior to find Word Wrap.
This is a companion discussion topic for the original entry at https://blog.toadworld.com/toad-for-oracle-how-do-i-set-editor-options-for-the-memo-editor
In Toad for Oracle 11.6, go to Options | Editor | Behavior to find Word Wrap.