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How to use Qsync Client 6?

Last modified date: 2025-07-22

Applicable Products

Qsync Client is the Qsync computer application that lets you sync files and folders stored on your NAS with multiple client devices. Go to the QNAP Utilities to download Qsync for your client device.

This tutorial applies to Qsync Client 6.0.0 for Windows and Qsync Client 6.0.0 for Mac, as well as later versions. 

(For the tutorial of earlier versions, refer to How to use Qsync Client?.)

Backup/Sync Task Startup Page

When setting up Qsync Client for the first time, you are prompted to choose your desired task type. A sync task allows you to create paired folders to keep your local folders and the NAS in sync. A backup task lets you specify local folders on your computer to be backed up to the NAS. For detailed instructions on how to create each type of task, refer to the "Creating a Sync Task" and "Creating a Backup Task" topics below.

Creating a Sync Task

  1. Open Qsync Client.
  2. Enter your NAS credentials to connect to your NAS.
  3. Click Add paired folders.

    The Folder Pair Settings window appears.
  4. Select your local folder and NAS folder.
  5. Click Apply.

Creating a Backup Task

Note
To create a Backup Task, ensure your Qsync Central is updated to version 5.0.0.0 or later.
  1. Open Qsync Client.
  2. Enter your NAS credentials to connect to your NAS.
  3. Select your local folder (backup source) and NAS folder (backup destination).
  4. Optional: Configure backup frequency.
    1. Click Settings.
      The Frequency Settings window opens.
    2. Select one of the following options.
      • Real-time: Back up immediately whenever files are modified.
      • Manual: Back up when you manually click the button.
      • Scheduled: Back up on a defined schedule.
    3. Click Save.

Main Page

NoDescriptionUser Action
1Displays the list of task statuses after a task is created.Click . For details, see the "Task List" section.
2Views the logs of updated files and folders.Click . For details, see the "File Update Center" section.
3Views the logs of failed files and folders for sync tasks and backup tasks.Click . For details, see the "Error List" section.
4Views team folders and share links.Click . For details, see the following topics in this tutorial.
  • Managing Team Folders
  • Managing Share Links
5

    

Modifies Qsync Client settings.


Click . For details, see the following topics in this tutorial.
  • Configuring Proxy Settings
  • Configuring Personal Settings
  • Configuring Advanced Settings
  • Freeing up Space
6Provides a list of options to guide you through Qsync Client.
  1. Click .
  2. Select one of the following options.
    • Check for Updates
      The Qsync Update window opens, displaying update availability.
    • About 
      The About window opens, displaying the software version.
    • What's New
      The What's New window opens, displaying the new features.
    • Quick Start
      The Quick Start window opens.
    • Qsync Help
      The Qsync Help page opens.
    • Open Source & Third-Party Software
      The QNAPQsyncThirdPartySoftwareNotices htm file opens.
7Adds a new backup or sync task.Click Add.
The Create Task window opens.
8Manages the NAS connection.
  1. Click .
  2. Select one of the following options.
    • Connection Test 
      The Connection Test window opens.
    • Edit Connection
      The Edit Connection window opens. For details, see the "Modifying NAS Connection Settings" topic below.
    • Remove NAS
      Qsync removes the NAS and retains the local files and folders based on your preference.
      Note
      Removing a NAS from the list deletes all the sync tasks and backup tasks.

Modifying NAS Connection Settings

  1. Open Qsync Client.
  2. Click  on the top right corner.
  3. Select Edit Connection.
    The Edit Connection window opens.
  4. Modify any of the following information.
    1. Specify the NAS.
      MethodUser Action
      Use IP addressSpecify the NAS IP address.
      Tip
      If the port used for the NAS connection changes, append the port number to the IP address. The default port number is 8080.
      Search via LAN
      Note 
      This option is currently only available on Qsync for Windows and Ubuntu.
      1. Click .
        The Search NAS window opens.
      2. Select the NAS from the list.
      3. Click Select.
      Search via QID
      Note
      This option is currently available only on Qsync for Windows, Mac, and Ubuntu.
      1. Click QNAP ID.
        The Sign in to QNAP Account window opens.
      2. Specify your email address and password.
      3. Click Sign in.
        The Search NAS window opens.
      4. Select the NAS from the list.
      5. Click Select.
    2. Specify a computer name in the Computer name field.
      Note

      Your computer name can only include letters (A-Z, a-z), numbers (0-9), and hyphens (-). This name will appear on the list of devices in Qsync Central.

    3. Click OK.
      A confirmation dialog appears.
    4. Click Yes.

Qsync applies the changes and reconnects the device.

Task List

The Task List tab displays the status of each task and its most recent sync or backup timestamp.

NoDescriptionUser Action
1Displays the status of the sync task.Refer to the table below for the meaning of each status.
IconDescription
All files are up to date

Scyncing... Processed {finished}/{total} events (xx%)

Scanning
Paused
Error
Warning
2Displays the status of the backup task.Refer to the table below for the meaning of each status.
IconDescription
Backup completed

Backing up... Processed {finished}/{total} events (xx%)

Scanning
Paused
Error
Not backed up yet
3Indicates that the task is a sync task.N/A
4Stops the sync task.Click . Icon changes to  to indicate you can resume the task.
5Manages the sync task.Click .
The Task/Sync task window opens. For details, see the "Task/Sync Task Page" topic.
6Indicates that the task is a backup task.N/A
7Starts the backup task.Click .
8Stops the backup task.Click .
9Restores the files or folders.Click .
The Restore Files window opens. You can specify the date and time to restore your files to their previous versions. For details, see the "Restoring Files or Folders" topic below.
10Manges the backup task.Click .
The Task/Backup task window opens. For details, see the "Task/Backup Task Page" topic.

Restoring Files or Folders

  1. On the Task List tab, Click in the backup task section.
    The Restore Files window opens.
  2. Click the date/time button at the top center of the page.
    A calendar appears.
  3. Select the desired year, date, and time to which you want to restore your files.
  4. Click Apply.
  5. Select the files or folders that you wish to restore.
  6. Click Restore at the bottom right corner.
  7. Optional: Other Actions.
NoDescriptionUser Action
Downloads the file or folder.
  1. Click in the Action column.
    The QNAP Qsync Client save window appears. (File Explorer on Windows, Finder on macOS)
  2. Click Save.
Views previous versions.

Click in the Action column.
The View previous versions window opens.

Task/Sync Task Page

NoDescriptionUser Action
1Configures synchronization behaviors.
  1. Click .
    The Setting window opens.
  2. Configure the settings.
    • Conflict policies: Defines how the system handles files with the same name during synchronization.
    • Sharing policies: Defines how your local computer handles team folders shared by other Qsync users.
    • Filter settings: Defines what files or folders are excluded from synchronization.
    • Create thumbnails: Enable the option to generate thumbnails of your images and upload them to the NAS during synchronization.
      Note
      Creating thumbnails consumes system resources. This feature is disabled by default. 
  3. Click OK.
2Accesses additional synchronization management options.
  1. Click .
  2. Select one of the following options.
    • Sync with NAS now: Initiates a full scan to re-compare and synchronize your local and NAS data.
    • Smart Delete File Management
      The Smart Delete File Management window opens.
    • Delete Sync Task
      A confirmation dialog appears.
3Accesses the File Station web page.Click .
The File Station web page opens.
4Adds paired folders.Click Add paired folders.
The Folder Pair Settings window opens.
5Edits the paired folder.Click .
The Folder Pair Settings window opens.
6Deletes the paired folder.
  1. Click .
    A confirmation dialog appears.
  2. Click OK.

Task/Backup Task Page

NoDescriptionUser Action
1Deletes the backup task.
  1. Click .
  2. Click Delete Backup Task.
    A confirmation dialog appears.
  3. Click OK.
2Accesses the Qsync Backup Folder on the File Station web page.Click .
The Qsync Backup Folder on the File Station web page opens.
3Selects local folders.Click .
The Select local folder window opens.
4Configures the backup frequency.
  1. Click Settings. 
  2. Select one of the following options.
    • Real-time: Back up immediately whenever files are modified.
    • Manual: Back up when you manually click the button.
    • Scheduled: Back up on a defined schedule.
  3. Click Save.
5Defines what files or folders are excluded from backup.
  1. Click Advanced settings.
    The Advanced settings window opens.
  2. Configure which files to exclude from backup based on name or extension.
  3. Click Apply.

File Update Center

The File Update Center tab allows you to view all Qsync logs on the selected device. You can search by specific file name, sort logs according to activity, or clear the list of logs.

Error List

The Error List tab lists all files and folders that failed to sync or back up.

Sharing Center

The Sharing Center tab allows you to view and manage your team folders and share links.

Managing Team Folders

The Team Folder tab display the shared team folders that you have shared or that have been shared with you. You can choose to accept or reject the team folders other people have shared with you. For team folders that you have shared, you can either unshare it or modify user access. For details on sharing team folders, see this tutorial. 

  1. Open Qsync Client.
  2. Click on the side menu.
  3. Click the icon in the Action column to perform a task listed below.
IconDescriptionUser Action
Views the team folder information.
  1. Identify the team folder you want to view.
  2. Click .
    The Sharing Status window appears.
Modifies the team folder users.
  1. Identify the team folder you want to view.
  2. Click .
    The Modify the Team Folder window appears.
  3. Select the users you want to share the folder with.
  4. Click Apply.
Unshares the team folder.
  1. Identify the team folder you want to unshare.
  2. Click .
    A confirmation dialog appears.
  3. Click Yes.

Managing Share Links

The Share Link tab displays the list of all share file and folder links. You can copy or delete a share link. For details on how to create a share link, see the QTS User Guide.

  1. Open Qsync Client.
  2. Click  on the side menu.
  3. Go to the Share Link tab.
  4. Click an icon in the Action column to perform a task listed below.
IconDescriptionUser Action
Copies a share link.
  1. Identify the file or folder link you want to share.
  2. Click .
    Qsync copies the link.
Edits a share link.
  1. Identify the file or folder link you want to share.
  2. Click .
    The Share the files(s) window opens.
Deletes a share link.
  1. Identify the file or folder link you want to share.
  2. Click .
    A confirmation dialog appears.
  3. Click Yes.
    Qsync removes the link from the list.

Settings

The Settings tab allows you to set modify your Qsync and NAS synchronization settings.

Configuring Proxy Settings

Proxy settings allow you to manually specify a proxy server or let Qsync automatically detect proxy settings.

  1. Open Qsync Client.
  2. Click  on the side menu.
  3. Select one of the following options.
    OptionUser Action
    No proxySelect No proxy if you don't want to use a proxy.
    Auto-detect

    We recommend selecting this option for Qsync to automatically detect the proxy.

    1. Select Auto-detect.
    2. Optional: Select Proxy server requires a password.
    3. Optional: Specify a username and passward.
    ManualSelect Manual to manually configure the proxy.
    1. Select Manual.
    2. Specify a server IP address or URL.
    3. Specify the port.
    4. Optional: Select Proxy server requires a password.
    5. Optional: Specify a username and passward.
  4. Click Apply.
  5. Click OK.

Configuring Personal Settings

Personal settings allow you to set a preferred language and region, modify startup settings, and specify a default folder for automatic importing of photos and videos from USB devices.

  1. Open Qsync Client.
  2. Click  on the side menu.
  3. Go to the Personal tab.
  4. Optional: Select Launch Qsync at startup.
  5. Select a language.
  6. Select a region.
    Important
    Select the correct region to ensure better connectivity.
  7. Configure the photo and video import settings.
    1. Select Import photos and videos when there are USB external devices connected.
    2. Select the default folder to save the imported files.
  8. Click Apply.
  9. Click OK.

Configuring Advanced Settings

Advanced settings allow you to enable options like desktop notifications, debug logs, and LAN sync.

  1. Open Qsync Client.
  2. Click  on the side menu.
  3. Go to the Advanced tab.
  4. Configure the settings.
OptionDescriptionUser Action
Enable debug logRecords all synchronization activities between the NAS and your client device. You can download the logs to diagnose technical issues yourself or send them to QNAP Helpdesk.
Important
Enabling this option may affect synchronization performance.
Select Enable debug log.
Optional: Click Send Logs to download the logs or click Clear Logs to clear the current debug log.
Show desktop notificationsSends desktop notifications for each Qsync activity.Select Show desktop notifications.
Automatically check for updatesChecks automatically for and notify you of software updates.Select Automatically check for updates.
Enable LAN syncTransfers the latest versions of files and folders across other client devices on the same local area network (LAN). This increases synchronization efficiency.
This feature is currently available only on Qsync for Windows and Mac.
Important
Only use LAN sync with Qsync Central versions 3.0.3 or later installed on QTS versions 4.3.4 or later.
  1. Select Enable LAN sync.
  2. Select a NAS to synchronize with.
Note
This NAS selection option is currently only available on Qsync for Windows.
Tip
To better secure your connection, enable Secure login in your NAS connection settings before enabling LAN sync. For details, see Modifying NAS Connection Settings.

Freeing Up Space

  1. Open Qsync Client.
  2. Click  on the side menu.
  3. Go to the Free up space tab.
  4. Configure the settings.
OptionDescriptionUser Action
Free up space automatically
Frees up space automatically based on selected criteria.
  1. Select Free up space automatically.
  2. Select one of the options.
    • When space is less than: Select a percentage from the drop-down list.
    • By frequency: Select a frequency from the drop-down list.
Free Up Space NowFrees up space immediately.Click Free Up Space Now.

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