Document.ApplyQuickStyleSet2 (Word)
Applies the specified Quick Style set to the document.
ApplyQuickStyleSet2 (Style)
Style: Can be either a String that specifies the name of the set to use (corresponds to the name listed in the Style Set list) or a constant from the WdApplyQuickStyleSets enumeration.
ActiveDocument.ApplyQuickStyleSet2 Style:=