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Differential backup: smaller backup image file & faster and safer recovery process

A differential backup is a backup of every file on a file system which has changed since the last full backup.

Why we need differential backup?

Differential backup is a moderate choice among all backup methods.

• Comparing to full backup, differential backup takes less backup time and produces smaller image file because it only backs up changed files since last full backup.
• Comparing to incremental backup, it has a shorter recovery process which only involves the last full backup file and certain one differential backup file you need.
• Differential backup is safer to recover than incremental backup.

Differential backup software - EaseUS Todo Backup provides three backup methods: full backup, incremental backup and differential backup to fully protect your data. Following is the step-by-step instructions to do differential file backup and differential disk/partition backup with differential backup software - EaseUS Todo Backup.

Note: EaseUS Todo Backup Free doesn't support differential backup. Please choose the right Edition for you.

How to differential backup files, disks and partitions?

Before you do differential backup, ensure that you have done a full backup or set a backup schedule in advance.

1. Launch EaseUS Todo Backup and click Management.

2. No matter you want to do differential backup for files or disks/partitions, select the backup image from the list, click Backup.

3. Choose Full backup, Differential backup, Incremental backup to perform backup.

How to differential backup Exchange 2003/2007/2010?

1. Launch EaseUS Todo Backup and click Management.

2. Select the Exchange image file in the list and click Backup, Differential backup.

How to differential backup SQL Server 2000/2005/2008?

Follow the tutorial to backup and restore SQL, when you are choosing backup plan, tick off Differential.

Related Articles:

• How to backup disks or partitions?
• How to backup files or folders?
• How to do incremental backup?
• How to do schedule backup with EaseUS Todo Backup?