Re: The problem is not Linux itself...
"Sorry, you've sent us an MS Excel (.xlsx) file: we don't use those. Please resave the file in the correct OpenDocument (.ods) format, or better still for future ease of use, import it into LibreSheet and use that application instead."
Sorry, we don't have that option as like most corporates it's disabled so that we use the standard MS Office file formats that 99% of the planet uses. Here is a PDF. Feel free to type the data in yourself.
Biting the hand that feeds IT
