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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.

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.

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

Select Backup management

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

How to differential backup Exchange 2003/2007/2010?

1. Launch EaseUS Todo Backup.

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

Exchange 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.

SQL Backup Plan

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