Where can Parachute Backup save my copy?

On Mac

Anywhere you like: external drives, a NAS or network share, and anything mounted in Finder, such as SFTP or WebDAV volumes or a Dropbox folder.

Google Drive, OneDrive, and Amazon S3 or any S3-compatible storage are built in, with no mount needed.

On iPhone and iPad

Anywhere you like: USB drives, a NAS or network share, Google Drive, OneDrive, and Amazon S3 or any S3-compatible storage.