Knowledge Base

How to back up data from Windows computer to Synology NAS using Data Replicator


Data Replicator has reached the end of its life span and its download links have been removed from the utilities page for newer products in Download Center. We encourage you to use Cloud Station to back up the data on your PC or mobile device. You can find more detailed information about how to use Cloud Station as your backup companion in this article. For any additional backup needs, you can visit this article to find out how to use the Windows 7 built-in backup feature as well as see more information about using utilities from other 3rd party backup vendors.


Synology NAS could serve as the backup center for office or home PCs. With the help of the backup application installed on your PC, automated backup can be performed in the background, and files backed up to your Synology NAS can be saved in versions, allowing you to restore a specific version of backup data in case of unexpected data damage or loss.

This article will guide you through the process of setting up backup and restoration tasks between PCs and your Synology NAS using Synology Data Replicator 3 and the backup application that comes with Windows. If you would like to use third party backup applications, some hints are also provided at the end of this article to help you get started.


  1. Before you start
  2. Back up and restore with Data Replicator 3
  3. Back up and restore with Windows 7
  4. Back up with Third Party Applications

1. Before you start

This article assumes that you have done the following tasks for your DiskStation:

  • Hardware installation for Synology DiskStation.
  • Software installation for Synology DiskStation Manager (DSM, web-based operating system of DiskStation)
  • Creating volumes and shared folders (See here)
  • Creating DSM local users who are granted permission to access the shared folders(See here)
  • Accessing your DiskStation within the Intranet from Windows (See here)

Refer to Quick Installation Guide for more information about hardware and software installation. You can also see Synology DiskStation User's Guide (available at Synology's Download Center) for a general idea about topics related to this article.

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2. Back up and restore with Data Replicator 3

Data Replicator is a Synology-designed free application that allows you to back up versions of PC data to Synology DiskStation through several easy steps. You can also restore a specific version of backup data according to your needs. Moreover, by installing Data Replicator on multiple PCs, you can easily back up data from all PCs within the local area network to your DiskStation.

To back up PC data with Data Replicator:

  1. Download and install Data Replicator on your PC.
  2. Follow the onscreen instructions to select the backup destination on DiskStation and the source folders on your PC.
  3. Note:

    The backup destination could be a Synology DiskStation, an external disk connected to your PC, or any other PC within LAN that could be accessed via the CIFS protocol.

  4. Click any of the buttons below and follow onscreen instructions to perform backup or syncing tasks in your preferred mode:
    • Immediate: Click this button to have Data Replicator perform the backup task right away. Automatic backup is not provided for this mode.
    • Sync: Click this button to have Data Replicator perform the backup task and keep monitoring the source folders on your PC. Any changes within the source folders will be synced to DiskStation right away. Click Stop Sync to stop Data Replicator from monitoring and syncing the source folders to your DiskStation.
    • Schedule: Click this button and specify your preferred time interval (daily, weekly, or monthly) to have Data Replicator perform scheduled backup.

When the setup is complete, Data Replicator will perform the backup or syncing tasks using the methods and schedule you just specified.

To restore data to PC with Data Replicator:

  1. Launch Data Replicator, click Restore, and then click any of the two Start buttons, each of which allows you to browse or search the backup data for specific versions of files you want to restore.
  2. Click Next, select your PC's backup data, and click Next.
  3. Browse or search for the version of files you want to restore, tick the checkboxes to select the files, and then click Next.
  4. Specify the path to restore the selected files. The path could be the files' original location or any other path on your PC. Click Finish to have Data Replicator perform the restoration task.
  5. Note:

    For detailed information about Data Replicator, click the Help button at the top-right corner.

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3. Back up and restore with Windows 7

Synology DiskStation supports the backup application that comes with your Windows. In this section, we will guide you through the process of backing up PC data to your DiskStation with Windows 7. For more information about backing up your data with other versions of Windows, visit Microsoft Support and search "back up files" or "restore files" for related tutorials.

  • To back up with Windows 7, make sure you are using the Ultimate, Professional, or Enterprise version.
  • For the list of Windows that have been verified to be able to back up PC data to your DiskStation, please click here.

To back up PC data with Windows 7:

  1. Follow the instructions in this Microsoft Support article to launch Backup and Restore and configure automatic backup from Windows 7 to your DiskStation.
  2. When you are prompted to select a location to save your backup, click Save on a network to locate your DiskStation on the local area network.
  3. In the window that appears, enter \\Synology_Server_Name\Shared_Folder_Name or \\Synology_Server_IP\Shared_Folder_Name, and then authorize using the credentials of a DSM user who has the "Read/Write" privilege to the specified shared folder.
  4. Click OK and follow onscreen instructions to complete the setup.
  5. Note:

    Since Windows7's Backup and Restore will create a system image along with your backup data on the DiskStation, it might take a while to create the first backup. Subsequent backup tasks will take much less time because only new or changed information will be added to the backup data.

To restore backed up data to your PC:

Follow the instructions in this article to find and select the files you want to restore, and then restore the files to your PC.

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4. Back up with Third Party Applications

Synology DiskStation has been verified to act as the backup destination for a number of third party applications. Visit here for the list of verified applications. However, before using any of the applications, please note that the complexity of setting up those applications may vary. See below for the differences:

  • Applications designed for larger corporations, such as Symantec Backup Exec and CA ARCserve, require a more complicated network configuration. IT professionals will need to designate a Windows Server (for example, Windows Server 2008) as the administration server, which centrally manages Windows clients within the ADS domain to perform backup tasks to the DiskStation.
  • Other applications on the list require a simpler network configuration. As long as the PCs and the DiskStation are all functioning and within the same local area network, you can install any of those applications on the PCs, and then back up PC data to the DiskStation.

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