Conducting a full backup might be the simplest way to protect your machines and data. However, the process takes time and requires a significant amount of storage space. Luckily, there are other backup technologies that you can use to avoid the load on resources. One technology used by today’s data protection solution is incremental backup.
This post explains the differences between the different types of incremental backups and how they work: https://www.nakivo.com/blog/forever-incremental-backups-explained