In the first example, I make the names of two worksheets and enter a "migration date" on the first page that comes from the second sheet. A wrinkle: there are plenty of dates in the first sheet. The dates of the second sheet may override the dates of the first sheet, but if there is a name that matches on the second sheet, data related to any other date must remain intact. For example, if I have a name abcx on the primary sheet and another sheet, and on the second sheet, I have to migrate the list abcx 3/07/2011, the data must be entered by the process on the first page.
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