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Try formatting the cell to which the date is loaded as mm/dd/yyyy.
In Excel 2003, I entered 41059 in a cell.
41059 is 41058 days since Excel's minimum date - 01/01/1900.
I then put focus on that cell.
Ctrl+1 or Format/Cells opens a Format Cells dialog.
Select the Number tab and the Custom Category.
In Type:, in place of General, enter mm/dd/yyyy.
I have an issue in a British environment. the formula bar renders it as
dd/mm/yyyy - the default date format.
Adapt to your environment.
Where do you find a date picker? It is likely to be helpful to supply
more information for your next enquiry.