Does SmartSheet back up all their accounts and associated sheets

Good morning,

I have a question regarding Smart Sheets back up. If for some reason Smart Sheet was to go down and or crash do you guys keep a backup of all accounts and associated Smart Sheets connected to the accounts that the users can use to restore w.e Smart Sheets they need to recover

Answers

NEW Smartsheet API Documentation - bookmark the updated link! https://developers.smartsheet.com