Reduce and compress Excel documents (.xls, .xlsx, .xlsm, .ods) online
to make them smaller, so you can better send them via email.
You just need to select the Excel file (~50MB) you want to compress.
If you are researching paper in the context of biological "bugs" that damage documents: Silverfish 101: How to Stop These Paper-Eating Pests
Why Silverfish Are So Destructive * They eat books, documents, and photo albums. * They damage wallpaper, drywall paper, and glue. Brody Brothers Pest Control
: A surprisingly effective alternative for high-complexity models because it is strong, thin, and holds creases exceptionally well.