As marto points out, .xlsx files are compressed XML, so consider unzipping it and processing it with XML:Twig or similar.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^2: Out of memory problem in Windows XP 32-bit: only 1GB occupied by BrowserUk
in thread Out of memory problem in Windows XP 32-bit: only 1GB occupied by blanes

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