It's unlimited, but it looks like the catch is the same as Backblaze and co: if you delete a file locally, it'll get deleted from the backup in 30 days (or imme

It's unlimited, but it looks like the catch is the same as Backblaze and co: if you delete a file locally, it'll get deleted from the backup in 30 days (or immediately and become restorable up to 30 days): https://help.dropbox.com/installs-integrations/desktop/dropbox-backup-faq https://help.dropbox.com/installs-integrations/desktop/dropb... So it's essentially a mirror of your local data + 30 days of changes.