How to Backup Computer to External Hard Drive (3 Steps)

How to backup computer to external hard drive with a few steps safely? The free backup software AOMEI Backupper will give you a satisfying answer.


by Lily Updated on October 10, 2023

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Why backup PC to external hard drive?

Backing up computer is necessary to minimize the damage of losing data. As a computer user, you should know that there are many situations that can break your data. You store so much data on computer, including songs, pictures, videos, documents, projects, and so on. They are important to you. Once they are lost, you will suffer big damage.

Actually, there are many types of backup devices where you can store the backup image. Here is a list of four popular computer backup options:


USB Flash Drives

External Hard Drives

Network Storage Servers (NAS)

Cloud Services


Very Portable


Stationary, Limited Mobility

Accessible from Anywhere


Limited Capacity

Higher Storage Capacities

Scalable, Often High Capacities

Scalable, Various Subscription Plans

Ease of Use

Plug-and-Play, Easy

Generally Easy to Use

Requires Initial Setup, Configuration

Easy Access and Management, User-Friendly Interfaces


Quick for Small Backups

Faster Than Many USB Drives

Network Speeds, Slower than Local Storage

Internet Speed, May Be Slower

You may back up computer to external hard drive for the following reasons:

  • Separate from computer: You do not need to worry that the data will be lost because of a series of situations that happen to your computer.
  • Portable: You can bring an external hard drive everywhere and use the data you backed up on it.
  • No dependence on network or Internet speed.
  • No recurring subscription fees.
  • More private and secure, as the data remains physically in your possession.

Well, how to backup computer to external hard drive? Please keep reading.

Backup Computer to External Hard Drive

Free backup tool for your computer backup

To backup computer to external hard drive actually means to backup all data on the computer hard drive. How to backup computer to external hard drive? For simple steps and safe operation, you’d better choose a professional backup software to do it. AOMEI Backupper Standard is a fabulous software that can backup computer to external hard drive only with a few clicks. 

  • It is free for Windows 11/10/8/7/Vista/XP.
  • It is embedded with the Disk Backup feature to help you backup the entire computer hard drive. You can also backup only OS to external hard drive via System Backup.
  • It allows you to backup to various locations, such as backup Windows 10 to NAS, cloud storage, USB thumb drive, external hard drive, etc.
  • It supports all disk brands. You can choose Seagate, Samsung, SanDisk, WD external hard drive and so on.

How to backup computer to external hard drive in Windows 11/10/8/7

Here we will tell you how to backup computer to Seagate external hard drive. Before you do, you need to prepare for it:

  • A Seagate external hard drive that is capable to store all data on your computer. Connect it to your computer and make sure it can be detected.
  • Download AOMEI Backupper Standard for free. Install and launch it.
Download FreewareWin11/10/8.1/8/7/XP
Secure Download

Then, follow the guidance to backup computer to external hard drive using AOMEI Backupper.

Step 1. As the Disk Backup feature will backup all data on computer, here click Backup -> Disk Backup.

Disk Backup

Step 2. Here you need to choose the disk which you want to backup on your computer as the source disk. Then, select your Seagate external hard drive as the destination disk to store the backup image. Here is the F:\.

Select Destination Path

Step 3. Click Start Backup to launch the progress. After the job is done, click Finish to exit.

Bonus tip: How to backup computer to external hard drive automatically

If you want to backup computer to external hard drive automatically, AOMEI Backupper can make it as long as you do not extract the external hard drive. To do this, you can click Schedule Backup at the left bottom before clicking Start Backup, and it will pop out a window for you to set up an automatic backup. You can choose from daily, weekly, or monthly.

Schedule Settings

You can also do an incremental or differential backup under Backup Scheme. If you’d like to use “Differential Backup”, edition upgrade is needed.

Backup Method

You can set up an automatic backup with AOMEI Backupper even after the backup task is created. Click Home tab, put your mouse on the backup task you want to edit, expand the drop-down menu and select Schedule. Then you will get to the window where you can set up automatic backup.

Find Schedule

How to backup computer to external hard drive? You may have an answer after reading this article. As a fabulous backup software, AOMEI Backupper provides many other utilities for free, such as create bootable disk, sync local folders to OneDrive, and many more.

Lily · Editor
Lily Green joined AOMEI in 2018 and has since become a professional in the areas of data protection and data transfer. She is committed to helping users protect their precious computer data and troubleshoot Windows system errors. She consistently stays vigilant about the latest trends in technology, guaranteeing that the given information aligned with the ongoing advancements in the field.