NopBackup is the nopCommerce Backup plug-in which provides extensive scheduled backup feature for Ms-SQL Server for nopCommerce. It can be used to schedule a backup for sites where MS-SQL Server is hosted on same server and also supports MS-SQL Server backup which are hosted on remote server.

Multi-Store configuration is not  at all required as database is going to be same for all nopCommerce stores. Plug-in currently stores backup sets on local server as well as it have feature to upload backup on Google Drive.