I would also support this request and was about to request the same. We use the Excel addin to populate a set of reports showing various breakdowns for a given month across several worksheets. It works really well but it does require the end user to go into each worksheet and update the time period setting, which for a large report pack, can take longer than you might think. The ability to synchronise filters across the connections in a given excel workbook would be extremely useful addition.
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