Microsoft Access 2013 TransferSpreadsheet generates Excel but When it is opened Extension Not Valid Error

I am using the following code to export a query from Microsoft Access 2013
myfilename = "W:\AD_Reports\AnotherTest.xlsx"
DoCmd.TransferSpreadsheet acExport, acSpreadsheetTypeExcel9, "qryalltimerecordsbydate", myfilename
Everything seems to work but when i try to open the file it gives a message Format or File Extension not valid. I deleted the file and did it over and it still produces the same error.  Thanks for any help.
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Rey Obrero (Capricorn1)Commented:
use this

DoCmd.TransferSpreadsheet acExport, 10, "qryalltimerecordsbydate", myfilename

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marlind605Author Commented:
That was the quickest solution I ever got to one of my questions. Thanks.
Did you catch what the problem was?
DoCmd.TransferSpreadsheet acExport, acSpreadsheetTypeExcel9, "qryalltimerecordsbydate", myfilename
This is the filetype for a .xls export, and you specified a .xlsx filename
Hence the problem
acSpreadsheetTypeExcel9 has a value of 8

Rey had you substitute in 10 to match the .xlsx filetype.
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