How to Backup Windows 10 to An External Hard Drive?

Posted by @AOMEI

June 22, 2017

Windows 10 system crash is a disaster to any PC or laptop users and nobody wants to meet this problem. Backup Windows 10 to external hard drive is the best way to make double insurance for system.

Should you Backup PC to external hard drive in Windows 10?

Backup Windows 10 means make a copy of the system/boot files and applications, and then you can restore it when you need. Only both of the files are backed up, you can boot up system normally after restoring.

Usually, users require Windows 10 system backup, because your system may crash due to virus, ransomware like WannaCry, hardware failure or human error. If you don't backup system in advance, when system crash happens on you, you will lose all of your important data forever. Nobody wants to meet this terrible thing. Therefore, in order to make double insurance for your system, you should backup Windows 10 in advance.

You should not save backups to where the system locates because you may lose the backup if system crashes. Some people love to backup to network-attached storage (NAS). However, if many users have access to the shared location and it is always connected, virus and malware may also infect the shared folder. Therefore, it is recommended to backup to an offsite location.

Backup Windows 10 to External Hard Drive with AOMEI Backupper

AOMEI Backupper Professional is a complete and easy PC backup program devoted to preventing data from being lost. It is able to help users to backup Windows 10 to an external hard drive, which is much safer than backup to internal disk because the internal disk may be wearing out someday. Seagate, West Digital, and Samsung provide excellent external hard drives.

1: To backup Windows 10 to an external hard drive, please connect it to your computer and make sure it can be detected by Windows 10. And then, download 30-day free trial, install and open AOMEI Backupper Pro. Click Backup on the left side of the interface and then choose System Backup.

Backup Windows 10

2: AOMEI Backupper will automatically choose the system partition (C: drive) and related partitions that are used for Windows 10 boot as source. You can change the default "Task Name" to what you like. To choose a drive where stores Windows 10 backup image, please click "Step2".

Select External Hard Drive to Store Backup

In the pop-up small window, choose "This PC" and double-click the external hard drive you prepared.

Choose External Hard Drive


  • "Backup Options" (optional) can be set based on your own needs. It includes the functions of adding comments for image to distinguish it from other images, compressing, encryption and splitting image file, etc.
  • "Schedule" (optional) enables you to automatically backup Windows 10 via daily, weekly, monthly, or upon events.
  • "Scheme" (optional) allows you to delete older backups automatically to save backup disk space.

3: If you confirm all the settings are correct, please click "Start Backup" to start backing up to external hard drive in Windows 10. Do not remove the external hard drive from your Windows 10 computer before the backup is competed.

Start Windows 10 Backup

If you want set up an automatic backup job to external hard drive, you need to make sure the drive letter of external drive remain unchanged. It is recommended to manually assign a drive letter that is not likely to be used on other partitions, for example, "X".

Usually, backup Windows 10 to external hard drive in advance is to rescue your crashed system, but if when the disaster happens and you don’t backup your system, you can use this software to create bootable media on any normal computer and then use it to enter your crashed system to backup the important data.