--- It appears to be a global action, rather than something that can be targeted to a select section of text.
--- Sorry that you cannot target it to a selected section of text. However, you can find in only main document, header, comment, etc. See screenshot:
--- While Word keeps what I do for a session it does not allow these actions to be saved to future sessions.
--- With the featre Batch Find and Replace
, you can save the find and replace setting senario by clicking the Save button, and apply that to the future creating documents (find the senario in Manege
circled in screenshot below). Also, you can find and replace among multiple documents as well as other files (including txt, htm and html files) with one click.
If you have any other questions, please don't hesitate to ask me.