If, like me, you have lots of old files on hand, you can turn them into accordion files by following this tutorial on How To Make Your Own Accordion Files by Diane Gilleland on OregonLive.
“If you have some beat-up old file folders on hand, it’s simple to turn them into sturdy, fabric-covered accordion files to organize receipts, backup disks, and other important items. You can make them just the right size for your needs,” says the site.
I like the idea of turning extra files into something more useful, especially since you can adjust them to any size you want. [Craft]