I have consistently had trouble filtering information in a Pivot Table by
DATE in Excel 2007. There seems to be no way to designate a field of date
items so that you get date-specific filter options, such as "show results
from last month" or "show results from within this date range", etc.

All of the help resources I've consulted suggest that Excel automatically
recognizes dates and provides you with date filters. I've found that this
works sometimes, but there are many times when it refuses to recognize date
fields.

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