>I created new spreadsheet, formated a column as "mm/dd/yyyy" and don't see anything in empty cells. Are you sure that cells are empty? I'm using Excel 2003, btw.
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Let me try more experiments myself. I asked this question in favor of my colleague, he showed me the file where dates were created with -.
We're using ExcelAutomation to Create the file.
If it's not broken, fix it until it is.
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