Online Documentation for SQL Backup for SQL Server
Selecting database provider
Select the backup provider at this step.
Use EMS SQL Backup provider if you need to backup multiple databases with advanced options. This kind of backup is quicker and creates compressed backup files. The files created with EMS SQL Backup provider cannot be restored using standard server tools; you need either use EMS SQL Backup restore or convert the backup file to SQL Server type.
Use SQL Server provider to perform backup of a single database using native SQL Server tools.