Open files with two different extenstions

I am doing a file search and the extensions can be either .xls or xlsx.  Is there an easy way to handle this.  I tried .xl* and that did not seem to work.
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BigPapaGottiConnect With a Mentor Commented:
Assuming you are running Windows 7 you can click on the start button and in the "Search box" enter in the following:

"*.xls OR *.xlsx" (Make sure you maked OR in capital letters.
Martin LissOlder than dirtCommented:
Please show us your current code.
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