That reminds me of my previous job at a factory where a business critical database was maintained as a single Excel file with 15000 rows and 200 columns, and now all of my bones are in attack position.
It's a power move. You let them see you've brought a licensed copy of office 2007 to the game, and the dm immediately knows you are not to be fucked with. Unless they've got a bigger and better spreadsheet of course.