xlsx file conversion

[Mark1]

A co-worker was sent an excel file with the extension xlsx. Is there
something she can download to convert it to an older version of excel?
Thanks!

 

[Dave Peterson]

You may be able to use:

http://office.microsoft.com/en-us/products/HA101686761033.aspx
Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 file
formats