By Delia / Last update January 6, 2022

Why backup NAS to external hard drive?

Network-Attached Storage (NAS) is a file-level computer data storage server connected to a computer network providing data access to a heterogeneous group of clients. NAS is specialized for serving files either by its hardware, software, or configuration. It is widely used in business and home group to share their data and information simultaneously by accessing remote NAS devices.

However, like any other hardware, your NAS or its hard drives are subject to problems, such as power failure, hardware failure or physical damage. That’s why it is important to always perform backing up NAS to external hard drive. It is not uncommon to do NAS to NAS backup, but once the similar problems appeared, hardware failure for instance, you are unable to access any of NAS devices then. 

Therefore, to backup NAS to external drive to keep an intact copy of your data outside has less risk of losing them.

How to backup NAS to external hard drive?

You can Map network drive to your computer followings steps below and backup from NAS to external hard drive:

In Windows 7 and Windows 8:

Click Start -> Computer -> Map network drive. In Windows 10, click Start -> File Explore -> right-click This PC -> Map network drive. In Windows XP, click Start -> My Computer -> Tools -> Map Network Drive. Then give a letter for the NAS drive and navigate to the NAS device location. The sign of mapping successfully is your NAS router will show up as a letter drive under Network location and then you can perform backup with either backup software or Windows internal backup utility.

If you don’t want to map network drive to local computer or if you require more advanced backup features like Incremental Backup, you need to turn to reliable third party backup software to complete backing up. AOMEI Backupper Standard, professional backup software, has a user-friendly interface and it is free for Windows 7/8/10 and Windows XP/Vista. You are allowed to backup most brands of NAS devices, including Synology NAS, QNAP NAS, etc. to external hard drive. 

Except for backing up NAS, this software also supports to backup external hard drive in Windows. Download AOMEI Backupper Standard and have a try. Note that you need to plug in your external hard drive in advance, and to make sure it can be detected by Windows.

Download FreewareWin 10/8.1/8/7/XP
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Easily backup NAS to external drive with free NAS backup software

File Backup method is much easier than above one. You don’t need to map the NAS device to your computer. Now install and launch AOMEI Backupper Standard.

1. Select Backup -> File Backup.

File Backup

2. Click Add File or Add Folder according to your needs.

Add File or Add Folder

3. Select Share/NAS -> Add Network Location in the pop-up window. Then, type the IP address and click OK and select the folders you want to backup.

Type IP address

4. Click to choose the external hard drive as destination path and click Start Backup.

Start Backup

Tips: If you want to backup NAS to external hard drive regularly, you can check Schedule box. You are able to encrypt backup image (supported by AOMEI Backupper Professional) for better protection by clicking Options.


AOMEI Backupper is comprehensive backup software which embedded with many powerful utilities. For example, you can clone boot drive to SSD for better performance with this program. Also, you can restore your system to another computer with dissimilar hardware using Dissimilar Hardware Restore (you need to upgrade to AOMEI Backupper Professional). 

Moreover, AOMEI Backupper centralized backup management can help you backup all machines within LAN on your server computer. AOMEI Backupper is one handy backup software that you don’t want to miss.