Preserve your digital assets

Secure all your precious data from PC, laptop to portable devices, keeping all your backups in one place, safe and sound.

Safeguard every digit of your data

Back up your computer

  • Perform cross-platform backups with Synology Drive Client on Windows/macOS for real-time syncing and offline access to your data. Learn more
  • It’s just a few clicks away to share files with your family and friends. Set a password or an expiration date on sharing links for extra protection.
  • Configure all your devices from the office and home, and files in the same folder will be automatically available.
  • Run scheduled PC backups during off-hours to avoid interruptions from backup tasks.

Bare-metal backup & recovery

  • Active Backup for Business backs up and restores the entire Windows PC, and lets you monitor backup tasks from one simple console. Watch the tutorial
  • Use Time Machine to easily back up data stored on macOS to Synology NAS.
  • With the self-service recovery portal from Active Backup for Business, you can select one individual file you need from massive amounts of files, without restoring the whole system.
  • Generate boot media in the mainstream USB and ISO formats with Active Backup Recovery Media Creator to simplify the recovery process — just a click away.

Portable device protection

  • Enable Photo Backup in Moments mobile app and back up all your precious memories to your NAS, preserving all your metadata on-premises while keeping original photo quality.
  • Install USB Copy and connect your SD card converter to NAS, and configure auto backups of your photos and videos from your camera or GoPro whenever you insert your SD card.
  • USB Copy enables you to preserve another backup to your USB drive by simply plugging it into your NAS.

Towards greater data efficiency & protection

  • Photographer : You happen to be a professional photographer? Don’t miss the protection plan designed to safeguard your works. Learn more
  • NAS protection : One copy is not enough to you? Learn more about how to further protect data on your NAS. Learn more
  • Cross-office syncing : Need to sync data between two studios? Check this solution for cross-office synchronization. Learn more

Get started



  • Recommended number of users: up to 1,800*
  • Recommended number of emails processed per day: up to 4,773,000*


  • Provides mail services with SMTP, IMAP, POP3 protocols
  • SMTP authorization
  • SSL secured connection
  • SMTP relay with optional TLS secured connection
  • Multiple additional domains
  • Supports LDAP/AD account
  • Daily quota to limit each user's outbound mail
  • Create aliases for local users, groups, existing aliases and external mailboxes
  • Customization of auto BCC rules, SMTP/SMTPS port number, and the maximum size of a single email
  • Migrates emails from external mail servers:
    • Microsoft Exchange
    • Gmail
    • Yahoo Mail
    • General IMAP servers


  • Spam filter: Rspamd filter engine and DNS-based blackhole list
  • Spam engine supports Chinese segmenter to effectively detect Chinese spam mail
  • Use antivirus engine ClamAV to detect virus in mail attachments
  • Google SafeBrowsing database for detecting malicious URLs in the mail threads
  • Leverage third-party databases to enhance detection for malware, phishing contents and spam
  • Post-auditing and action policies for virus-infected mails
  • Threat Monitor provides security-related information:
    • General threat statistics in clear and interactive graphs
    • Real-time status of anti-spam and antivirus engines
    • DNSBL self-check result
    • Threat sources displayed in a world map
    • Statistics of blocked Inbound and outbound mail
  • Sender validation mechanism with SPF/DKIM and DMARC
  • Content Scan filters messages containing potentially dangerous content
  • Attachment filter to block specific file types
  • Message Content Protection (MCP) to prevent sensitive data leakage
  • Mail black and white list


  • High availability architecture maximizes service uptime
  • High-speed full-text search for English, Chinese, Japanese, and Korean characters
  • Personal auto-forwarding and auto-reply rules for each user
  • Customize auto-reply message


  • Records historical email activity chart (past 1 hour, 1 day, 7 days, and 30 days) with detailed information about the quantity of inbound/outbound emails
  • Mail queue monitoring
  • Activity log and security log
  • Usage analysis to calculate email quantity of the selected users, and to monitor the mail traffic by account
  • Archive logs periodically
  • Transfer logs to the Secondary Server for backup, or syslog server for central management
  • Daily report includes summaries of
    • Hourly traffic
    • Delivered/received messages
    • Deferred/rejected messages
    • SMTP delivery failure
    • Warnings
    • Quantity of senders and recipients


  • MailPlus Server comes with 5 email accounts by default
  • License page allows for license addition
  • Licenses are all centralized in Primary Server

System Requirements

  • Synology NAS memory: 1GB RAM

Drive PC client

  • Drive PC Client is supported on Windows, Mac, and Ubuntu
  • Supports creating connections and syncing with multiple Drive servers
  • Supports syncing files and folders shared by other users
  • Supports double clicking on the tray menu to open files of any event in web browsers
  • Supports single clicking on the tray menu to open containing folders
  • Supports creating sharing links for synchronized files
  • Provides minimalist tray icons
  • Open Drive in web browsers from the system tray 
  • Supports instant pausing or deleting of established connections
  • Supports filtering event and notification logs by server
  • Notified files can be opened in containing folders or synced from the corresponding notification logs
  • Icon overlays can be enabled or disabled according to user settings
  • Customizable notification settings
  • Context menu in local file browsers for adjusting sync settings or creating sharing links
  • Customizable permission settings for sharing links to be set as public/internal and edit/view-only
  • Supports proxy connections

Active Backup for Business

  • Supported on x64 Synology NAS servers
  • Management
    • Centralized management interface to monitor current backup status of Windows devices and virtual machines, storage consumption, and historical transmission
    • Supports image-based backup for Windows devices and virtual machines, and file-level backup for SMB or rsync protocol servers
    • Generate reports on customized schedule to monitor backup status
  • Windows physical server backup
    • Supports Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016 (Click here for more information)
    • Image-based backup to back up the whole device, including the data and system configurations
    • Agent-based backup (Download the agent on download center)
    • Supports incremental backup leveraging Microsoft VSS-based Changed Block Tracking
    • Supports multiple restoration methods, including bare-metal restore, file/folder-level restore, and instant restore to VMware or Synology Virtual Machine Manager
  • Windows PC backup
    • Supports Windows 7 SP1, Windows 8.1, Windows 10, and Windows 10 Creators Update (Click here for more information)
    • Image-based backup to back up the whole device, including the data and system configurations
    • Agent-based backup (Download the agent on download center)
    • Supports incremental backup leveraging Microsoft VSS-based Changed Block Tracking
    • Supports bare-metal restore and file/folder-level restore
  • Virtual machine backup
    • Supports VMware vSphere 5.0, 5.1, 5.5, 6.0, and 6.5 (Click here for more information)
    • Image-based backup to back up the whole device, including the data and system configurations
    • Agentless backup
    • Supports incremental backup leveraging VMware Changed Block Tracking
    • Supports multiple restoration methods, including bare-metal restore, guest OS file/folder-level restore, and instant restore to VMware or Synology Virtual Machine Manager
  • SMB protocol file server backup
    • Supports SMB protocol
    • Agentless file server backup
    • Supports backing up Windows ACL
    • Supports Windows VSS to ensure backup consistency
    • Supports file/folder-level restore
  • rsync protocol file server backup
    • Supports rsync 3.0 or above versions
    • Agentless file server backup
    • Supports backing up Linux POSIX ACL
    • Supports rsync module mode, rsync shell mode over SSH, and rsync module mode over SSH
    • Supports authentication with a password or an SSH key
    • Supports block-level transfer, encryption, and bandwidth control
    • Supports file/folder-level restore -Notification
    • Give notifications when a backup, restoration, migration, and backup verification task is canceled, failed, completed, or partially completed, and when there is no sufficient storage space
  • Log
    • Provide logs for device connection, backup, backup verification, device migration, and restoration events
  • More information regarding Active Backup for Business can be found here.


  • Supported only on DSM 6.1.7 or above versions
  • If your NAS runs on DSM 6.2 Beta, please update DSM to the newest version before installing Active Backup for Business.

Mac Time Machine

  • Use Synology NAS as Time Machine storage for Mac computers

USB Copy 2.0

  • Automatically copy files and folders between your Synology NAS and an attached USB/SD storage device.
  • Trigger a transfer by hot-plugging a USB/SD device, pushing the hardware copy button, or running the application in DSM.
  • Flexible configurations:
    • Task type: Photo/Video Import, Data Import, Data Export
    • Copy mode: Multi-versioned, Mirroring, Incremental
    • File type filter: filename, file extension
    • File conflict policy: rename, overwrite



  • Supported image formats: BMP, GIF, HEIC, JPEG, PNG, RAW (3fr, arw, cr2, crw, dcr, dng, erf, k25, kdc, mef, mos, mrw, nef, orf, ptx, pef, raf, raw, rw2, sr2, srf ), TIFF
  • Supported video playback formats: 3G2, 3GP, ASF, AVI, DAT, DivX, FLV, M4V, MOV, MP4, MPEG, MPG, MTS, M2TS, M2T, QT, WMV, XviD
  • Upload photos using drag-and-drop (allows a maximum of 2,000 photos per upload)
  • Upload folders through drag-and-drop when using the Chrome browser
  • View and edit the face recognition results in the People album (only available on selected models)
  • View the photos categorized by objects and scenes in the Subject album (only available on selected models)
  • View the photos selected by AI aesthetics in the Moments Select section (only available on selected models)
  • View the grouped similar or duplicate photos in the Similar Photos section
  • Edit photo by applying Auto Color & Rotate (only available on selected models)
  • Search photos and albums by keywords, tags, and dates
  • View photos in folder hierarchy and in the Folder View mode
  • Supports the option to display photos and videos in My Drive

Auto-created Albums

  • View the photos in the following auto-created albums: Shared, People, Subjects, Places, Tags, Videos, and Recently Added.
  • Name people’s faces in photos and merge or hide specific people in the People album.
  • Enable or disable the People, Subjects, and Places albums in Settings.

Photos & Albums Operation

  • Edit the date, time, description, and keywords of photos.
  • Rotate photos
  • Play slideshow in photo albums
  • Share photos and albums
  • Download albums


  1. Please note that the figures marked in asterisks are derived from the Synology lab by using high-performance client computers with optimized network settings, and could vary in different environments.