How to Recover Deleted Files from Synology NAS Device


Synology NAS (Network Attached Storage) devices have gained tremendous popularity among businesses and individuals alike due to their reliable storage solutions. However, incidents such as accidental file deletion or device failure can result in data loss. In this comprehensive guide, we will explore various methods and techniques to recover deleted files from your Synology NAS device.

Understanding Synology NAS

Before delving into the file recovery process, it is essential to have a basic understanding of how a Synology NAS works. A NAS device acts as a central repository for storing and accessing data across multiple devices on a network. It provides a secure and scalable solution for data storage and allows users to access their files from anywhere using the internet.

Synology NAS devices use multiple hard drives configured in different RAID setups to ensure data redundancy and additional protection against hardware failure. This hardware redundancy is crucial for synology file recovery because it enables the restoration of data if a drive fails or files get deleted.

Preventing Data Loss

While the focus of this guide is on file recovery, it is important to emphasize the significance of implementing preventive measures to mitigate the risk of data loss. Here are some key steps to consider:

Regular Backup – Establish a comprehensive backup strategy by scheduling regular backups of your important files. Synology NAS provides various backup options such as Time Machine, Sync, and Snapshot Replication that can be configured according to your requirements.

RAID Configuration – Set up your NAS device using the appropriate RAID configuration. Redundant arrays such as RAID 1, RAID 5, or RAID 6 provide data redundancy and increase the chances of successful file recovery in case of drive failure.

Disaster Recovery Plan – Create a detailed disaster recovery plan that outlines the steps to be taken in the event of data loss. This plan should include instructions on recovering deleted files from your Synology NAS device.

File Recovery Methods

If you have unfortunately lost your files, there are several methods you can try to recover them from your Synology NAS device.

  • File Restoration from Recycle Bin – Synology NAS has a built-in Recycle Bin feature that temporarily stores deleted files. Access the Recycle Bin using the File Station application, locate the deleted files, right-click, and select “Restore” to recover them.
  • Snapshot Replication – If you have configured Snapshot Replication, it allows you to create point-in-time snapshots of your entire NAS system. These snapshots act as backups and can help restore deleted files. Go to the “Snapshot Replication” application, select the snapshot containing the desired file, and navigate to the correct folder to retrieve the file.
  • File Recovery Software – In scenarios where the above methods don’t work, you can utilize third-party file recovery software. Synology NAS supports several popular data recovery software applications such as Recuva, EaseUS Data Recovery Wizard, and TestDisk. Install and run the chosen software on your computer, connect to your NAS device, and initiate the recovery process following the software’s instructions.

Important Considerations

While attempting file recovery, keep the following considerations in mind:

  • Act Fast – Time is of the essence when it comes to file recovery. The longer you wait, the higher the chances of permanent data loss due to overwriting.
  • Avoid Writing to the NAS – Minimize any write operations to your NAS device after data loss to prevent overwriting of deleted files. This includes creating or modifying files, installing software, or moving data.
  • Contact Professional Services – If your data loss situation is critical or complex, it is advisable to contact professional data recovery services. These specialized services have the expertise and tools to recover data from damaged or failed NAS devices.


Synology File Recovery is a crucial skill for anyone utilizing a Synology NAS device. By following the methods and considerations mentioned in this comprehensive guide, you can increase the chances of successfully recovering deleted files from your NAS device. Remember, prevention is always better than cure, so ensure you have an effective backup strategy in place to avoid data loss in the first place.

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