Alternatively, you can use the T-SQL commands to restore differential backup. USE [master] RESTORE DATABASE [AdventureWorks2019] FROM DISK = N'C:\backups\AdventureWorks2019.bak' WITH FILE = 10, ...

You can save a backup of your MS SQL databases to a single file on your hard drive. These backup files have names ending with the ".bak" file extension, and you use them to restore database ...