>There's no extension because you didn't specify one. The usual extension is 'bak'. You can provide it
>

>NAME = N'MyDatabase-Full Database Backup.bak'
>

>
>The backup command creates file in special SQL Server backup format that RESTORE command recognizes.
>You did specify a lot of unnecessary parameters that are related to tape backups.

Thanks, this is some useful information.

What would then be the simplest line to backup to disk?