With Find/Replace you need to build a Find expression that will exclusively identify the number of sets of nested brackets you're interested in, just as I've shown how to do for one and two sets. Otherwise you need a macro. To see what's involved with that, check out the Do While loops in the
Convert Text Representations of Fields to Working Fields macro in the
Mailmerge Tips and Tricks 'Sticky' thread at the top of the Mailmerge forum:
https://www.msofficeforums.com/mail-...ps-tricks.html