A family of Microsoft word processing software products for creating web, email, and print documents.
Hi Maxispin,
In Word for Mac, there is no such button to update mail merge results after the source data is changed. As you mentioned, we have to close and open that Word document again or reloading the data source file.
We also think that would be convenient if Word will add this feature, we suggest you submit feedback via Word for Mac uservoice. This is the best way to make our products better.
Appreciate for your understanding.
James