Hi Adriano,

If you define a character Style named 'Red', for example, you can use Find/Replace to change all red text to the Red Style. The same applies to the blue text, and so on. Visually, of course, it helps if the Red Style actually formats the text in a red font. No vba required.

One thing to be aware of when doing this is that applying a character Style will remove any text formatting (eg italics) that isn't part of the Style definition. You this need to consider whether you need separate Styles for normal red text, bold red text, italicized red text, etc, and do the Find/Replace with the corresponding granularity, or whether you're content to re-apply the lost formatting afterwards.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]