Introducing S3 in SQL Server 2022 S3 compatible object storage integration is a new feature introduced in SQL Server 2022. There are two significant areas where SQL Server leverages this: backup and restore and data virtualization. This article will focus on getting started with using S3 compatible object storage for backups. Now let’s unpack that phrase ‘S3 compatible object storage’ a bit. AWS Simple Cloud Storage Service (S3) is a storage service AWS provides in their cloud.