what is xlxs?

[Sue]

I saved files onto a memory stick from excel. Now that I need them they are
showing up with xlxs as the extension and I can't get them to open. What is
this?

 

[David Biddulph]

Do you really mean xlxs?
If it were xlsx, it would be Excel 2007.

Excel 2007 compatibility pack for Excel 2003 users:
http://support.microsoft.com/kb/923505
Download:
http://www.microsoft.com/downloads/...70-3ae9-4aee-8f43-c6bb74cd1466&displaylang=en

 

[JBeaucaire]

That's the file extension for Excel 2007.