There's also the multi file find and replace tool but beware.
It operates at HTML level and only on a single line so if your text
covers more than one line in any topic, it won't work reliably.
FAR from www.helpware.net can be set up to work across
multiple lines.
This sort of operation can wreck a project in seconds so do
back up first. If you do that, then you should be safe.
Help others by clicking Correct Answer if the question is answered. Found the answer elsewhere? Share it here. "Upvote" is for useful posts.