How to Sync Two External Hard Drives Automatically?

How to Sync Two External Hard Drives Automatically?
Updated On: October 25, 2023

External Hard Drives – This is the era of technological advancements and immense generation of data. With the help of technology, we are creating smart devices which are smaller in size but in terms of performance, they are very effective. External hard drives are one of the smart devices we have today. From the perspective of size, they are very small, but these small devices can store huge amount of data. They are not only being used for temporary data storage, but one of their main purposes today is data backup. As the need for data security is increasing, external hard drives are providing a great opportunity for data backup. That’s why copying vulnerable data in some solid-state drives (SSDs) has become the most common way of preparing a data backup.

There are multiple vendors who offer ultra-slim and portable external hard drives for the compactness freaks. Seagate expansion portable hard drives are famous for their simple and high-speed storage. It supports fast data transfer with USB 3.0 connectivity. They also have backup plus slim which is a USB 3.0 portable external drive.

Western Digital also has plenty of passport portable hard drives. Their most famous product, wd my passport, is an ideal choice for those who want backup along with an extra feature of encryption. They also have wireless hard drives which are a special edition 2TB external hard drives. These wireless portable hard drives also have the storage capacity of 500GB external hard drive. It is especially for those who don’t need much larger space and wants to save some money.

portable external hard drives

Ways to Sync Two External Hard Drives

Besides being used for data storage, two external hard drives can be synchronized effectively in this era. There are many computers and backup systems which involve multiple hard drives to ensure sophisticated and larger backups. Following are some of the popular methods by which external hard drives can be synced:

Windows Sync Center

To sync the two hard drives, the Windows operating system has the in-built program. With this, there is no need to have any additional synchronization software. Neither is there any need for prior syncing experience.

First of all, connect the subjected hard drives through USB ports. Open the Windows sync center and click on the “set up new sync partnerships”. After this select the icon of the device which you want to make as a primary hard drive.

Then click “set up” and click on the hard drive, to which you want to copy the data. In the final step, just click on the sync at the bottom of the screen. As soon as you click this button, Windows will start copying files to your hard drive.

DirSync Pro

DirSync Pro is a small but powerful tool for the files and folder synchronization. It has the capability to undergo recursive synchronization of one or more folders.

Syncing two external hard drives through DirSync Pro is timesaving as it has the capability to make incremental backups. In this process, only modified or new files will be copied. The user also has the liberty to set synchronization profile to meet specific needs.

This software performs analysis on file and sees for any modification, addition or deletion of any file. Upon analysis, source to destination synchronization will be done as usual.

Another great feature is the detection of changes in the file metadata such as DOS attributes, POSIX file groups, permissions or ownerships. These metadata are then preserved to the destination directories or files. This software is compatible with Windows, Linux, Mac and DOS.

External Hard Drives

Areca Backup

It is an open-source personal backup solution and is released under the General Public License (GPL). It gives the user the liberty to select a set of files or directories which needs to be backed up.

It also allows the user to choose where to prepare this backup and how should this backup be prepared. It can either be done in the form of a simple copy or as a .zip archive.

Areca Backup has the capability to store and configure post backup action such as the launch of custom shell scripts and intimidation of backup reports by an email. It supports the Linux and Windows operating systems.


It is a small but powerful utility, allowing users to backup, synchronize and protect their data. The interface can be split into the seven tabs, thus allowing users to see what they need. Salient features of Toucan are:

  • It offers five synchronization models such as copy, mirror, equalize, moves and clean. These five modes can further be combined with certain file checks. These file checks involve checking of file size, modification time and file headers. These checks ensure that file copying time should be made as minimum as it can be.
  • Backup and restoration in the industrial standardized formats like .zip, 7-Zip and GZIP files. Moreover, this utility provides support for complete backups, differential backups along with the file restoration from the archives. This software gives the user the option to test their archives and make them password protected.
  • It supports AES-256 encryption through ccrypt.

It is compatible with the Windows operating systems.


This software is an ideal choice for those who want to enjoy backups with seamless synchronization at no cost. This Windows backup and synchronization software is free for educational, personal, governmental, charity and commercial use.

Not only is this software free, it does not have any ads, trojans, nags or registration. It is equipped with the 256-bit military-grade encryption. It is compatible with Microsoft Windows.

External Hard Drives

PureSync Professional

This is a professional backup and synchronization software. It automatically keeps the backup of selected folders, files or directories and synchronizes these contents. It involves the step to step configuration wizard where a user can select the target directory and set the sync tasks and schedules. It also gives access to advanced options like conflicts management, file exclusions, comparison option, and many other options.

User has the option to set synchronization to either manual mode or automatic mode. This high-performance software is available only for Windows users.

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How to Sync Two External Hard Drives Automatically?

Saaher Muzafer / CEO Backup Everything
Saaher Muzafer / CEO Backup Everything

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