It's not really a question of whether you can do it with a macro. The real issue is that you can't do it without knowing what the starting text is. While it is possible to do the conversions with a macro, using a selection as a starting point (thus providing the starting text), why are you not entering the text as you want it to appear? To me, it seems rather silly for someone to type 'National spatial plan of zone one' or 'national spatial plan of zone one' when what is really wanted is 'NationalSpatialPlanOfZoneOne'.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]