Whenever I try to update ANY version of Microsoft Office:Mac (I have 4.2.3) I get the followng message:
Office 2011 14.2.3 Update (for Microsoft Office: Mac) can’t be installed on this disk. A version of the software required to install this update was not found on this volume.
Since this question is about a Microsoft product, you might have more luck getting suggestions if you ask in Microsoft's own forums.
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