I have a colleague (in a different state so I just can't try this myself) who is starting to use a Mac. She wants to know if the Excel Add-ins I've created for her department will work on this Mac? I have no idea of what to tell her. All of them were either created in Excel 2003 or Excel 2010.

Thanks for any info regarding this. Anything I've found up to this point are instructions on how to record macros in Office for Mac. That's what I'm trying to avoid.