Supports bulk user creation by importing user lists in UTF-8 encoded files
Supports adding users to more than one user groups for easy management
Supports configuring password strength and expiration rules
Allows self password reset for non-admin users
Privilege
Allows customizing the permission settings of individual folders and files for users and groups
Allows customizing the permission settings of applications for users, groups, and IP addresses
Supports setting quota for volumes/shared folders to control the maximum amount of storage space available to each user
Supports setting speed limits for users and groups for FTP, rsync, File Station, and Cloud Sync
Specifications
Number of maximum local users: 16,000
Number of maximum local groups: 512
Username length: Up to 64 Unicode characters
Group name length: Up to 32 Unicode characters
Password length: Up to 127 Unicode characters
User/group description length: Up to 64 Unicode characters
Maximum quota for ext4 volume: 4 TB
Customize password valid duration:
Range of days before the password becomes invalid: 1 - 999 days
Range of days before the system prompts users to change the password: 1 - 99 days
System reserved usernames and group names shown below cannot be deleted:
System users: "SynologyCMS", "MAILER-DAEMON", and "POSTMASTER"
Default users: "admin" and "guest"
Default groups: "administrators", "http", and "users"
All users belong to the "users" group by default and cannot be removed from this group
The "admin" account has full permission to access all services and applications on Synology NAS
Users in the "administrators" group have unlimited quota for volumes/shared folders
Prioritization for privileges:
Shared folder permission: No access > Read/Write > Read only
Application permission: Deny > Allow
When enabling Local Master Browser in SMB settings, the default "guest" account will be automatically enabled
Limitations
Naming limitations for usernames and group names:
Cannot contain special characters: {}|^[]?=:+/*()$!"#%&',;<>@`~
The first character cannot be a minus sign or a space, and the last character cannot be a space
Domain/LDAP
Features
Seamless integration with Windows AD, Azure AD Domain Service, and LDAP servers
Smooth access with Single-Sign-On (SSO) support
Intrinsic privilege settings to accommodate administration needs
Extensive integration to the Synology services
Specifications
Supports privilege settings of domain/LDAP users' and groups' access to shared folders and applications
Supports limiting transfer rates of DSM services used by domain/LDAP users and groups
Supports home folders for domain/LDAP users
Domain client
Supports trusted domains
Supports joining to a domain with a read-only domain controller (RODC)
Supports assigning up to 10 domain groups to become local administrator groups
Allows administrators to specify DC IP/FQDN, domain NetBIOS, and domain FQDN
LDAP client
Supports OpenLDAP, IBM Lotus Domino, and user-defined server profiles
Supports nested groups and UID/GID shifting
Based on LDAP version 3 (RFC2251)
SSO client
Supports Integrated Windows Authentication
Supports Synology SSO Server
Supports OpenID Connect SSO in Microsoft Azure AD Domain Service and IBM WebSphere
Apps supporting domain/LDAP users
SMB
FTP
WebDAV
File Station
Network Backup
Cloud Station
Cloud Sync
Audio Station
Video Station
Mail Service
Surveillance Station
Personal Web Station
Photo Station
VPN Server
Note Station
Synology Drive
Moments
Limitations
Domain/LDAP users and groups do not support special characters "[{}|^[]?=:+/*()$!"#%&',;<>@`~]"
LDAP users and groups can only use integers for their unique IDs
Synology LDAP client can only join an LDAP directory with the support of Samba schema. NT Password is required for accessing LDAP services via the SMB protocol
Synology LDAP client uses objectClass posixAccount for users and objectClass posixGroup for groups by default. If your LDAP server does not support posixAccount or posixGroup, please set up a profile to map the attributes correctly:
User name: posixAccount - uid
User ID: posixAccount - uidNumber
Group name: posixGroup - cn
Group ID: posixGroup - gidNumber
Storage & File Access
File Services
Features
Comprehensive support of networking protocols — FTP, SMB, AFP, NFS, rsync, and WebDAV — on DSM to provide quick and secure sharing of critical digital assets and to offer seamless file sharing across Windows®, macOS®, and Linux® platforms
One compact, little box is enough to access files anytime and anywhere, via computer or mobile devices, and without any storage devices on hand
Integration with Universal Search and Finder on Mac to enable quick and in-depth search of indexed documents, photos, and other contents within mounted folders on Synology NAS
SMB protocol
Specifications
Up to 10,000 concurrent SMB connections (Capability varies depending on product model)
SMB1, SMB2, SMB3 end-to-end encryption, and Large MTU support
Flexible user option to restore Previous Versions of files and folders on Windows
Integrates Finder on Mac with Synology Universal Search
Supports full Windows ACL with up to 200 explicit permissions
Supports Recycle Bin
Supports server-side copy on Windows
Supports File Fast Clone on Btrfs file system
Supports sparse file
Supports Time Machine on macOS 10.12 and later versions
Supports transfer logs to monitor and record file operations. When transfer logging is enabled:
File deletion is logged by default
Other file operation events can be selected for monitoring in Log Settings
Disabling multiple connections from the same IP address
Strict allocate
Debug logs
Apply default UNIX permissions
Limitations
The minimum SMB protocol cannot be set to the SMB3. As SMB3 on DSM refers to SMB3.1.1, setting SMB3 as the minimum SMB protocol will prevent client devices supporting earlier SMB3 versions from accessing Synology NAS via the SMB protocol
Concurrent connections (up to 10,000) are shared between SMB, AFP, and FTP protocols
Workgroup name can contain up to 15 characters but cannot include the following characters: [ ] ; : " < > * + = \ / | ? ,
Disallowing access to Previous Versions is only available on vDSM and product models with the following package architectures: Apollo Lake, Avoton, Braswell, Broadwell, Bromolow, Cedarview, and Grantley (See this article for information on Synology NAS system models and corresponding package architectures)
Anonymous logon for the SMB protocol is not supported when transport encryption mode is enabled
Opportunistic Locking should be applied to avoid application timeouts when transport encryption mode is enabled
Enabling Local Master Browser will disable HDD hibernation and activate the guest account without a password
Integration with Finder on Mac to search for indexed folders via the SMB protocol is not available on NVR216 and VS360HD
Enabling SMB signing may reduce read/write performance during SMB file transfer
The more file operation events you select in Log Settings, the more impact it will have on the system performance
AFP protocol
Specifications
Up to 10,000 concurrent AFP connections (Capability varies depending on product model)
Integrates Finder on Mac with Synology Universal Search
Supports Time Machine on macOS
Supports Bonjour Time Machine broadcast
Supports File Fast Clone on Btrfs file system
Supports extended file attributes for color label/icon/extra information on macOS
Supports Recycle Bin
Supports transfer logs to monitor records of file manipulation
Integration with Finder on Mac to search for indexed folders is not available on NVR (Network Video Recorder) series
Integration with Finder on Mac to search mounted folders by tag name and category is only available on macOS 10.9 and later versions
Only a maximum of 255 shared folders can be displayed (in alphabetical order) when being accessed via the AFP protocol; however, the total number of created shared folders may exceed that number
Concurrent connections (up to 10,000) are shared between SMB, AFP, and FTP protocols
FTP protocol
Specifications
Up to 10,000 concurrent FTP connections (Capability varies depending on product model)
Supports FTP, FTP over SSL/TLS (explicit mode), and SFTP protocols
Timeout settings to disconnect idle users
Customized port ranges for passive FTP connections
Server-to-server file transfer via FXP (File eXchange Protocol)
Connection restriction settings for IP addresses
Speed limit settings for specific users or groups
Supports OpenSSL FIPS 140-2 validated cryptography module to enhance the security of FTPS sessions
Supports ASCII transfer mode
Supports UTF-8 encoding for files with multilingual filenames
The data checksum option must be enabled on a shared folder before silent data corruption detection can take effect (Only SHR, RAID 1, RAID 5, RAID 6, RAID 10, and RAID F1 support corrupted data recovery)
Refer to this article for more details about the Btrfs file system and which Synology NAS models are compatible with it
Only certain RAID types support expanding storage pool and volume capacity by adding or replacing drives (Refer to this article for more information)
File system scrubbing (only supported on the Btrfs file system) and RAID scrubbing (only supported on RAID 5, RAID 6, and RAID F1) will run sequentially when data scrubbing is performed
RAID Group is available on specific models only (Refer to this article for more information)
Different character encodings may contain different data sizes (e.g., a character with UTF-8 encoding may contain 1 to 4 bytes)
Varies according to models (Refer to this article for more information)
File Station
Features
The default file manager for browsing, previewing, and managing files and folders stored on Synology NAS
Shareable file links can be easily created, added with password-protection or validity period, and then be safely shared to specific users
Easy access from the following devices: personal computers, tablets, and mobile phones
Virtual drives, remote folders, and public cloud storage can be mounted on Synology NAS with File Station to make remote data readily and locally accessible
Specifications
Supports up to:
100 concurrent remote folders
100 cloud services and file servers
1,000 shared file links
1,000 files in the upload queue
512 local groups*
512 shared folders*
16,000 local user accounts*
Recycle Bin to recover or retrieve deleted files
Viewable and adjustable ACL permissions of files and folders
Supports Windows ACL editor
Customizable displays of additional attributes
Interface to edit the music information of audio files
Management of files and folders stored on Synology NAS includes:
Creating, renaming, or deleting files and folders
Copying or moving files and folders
Uploading or downloading files and folders
Compressing or extracting archived files and folders
Viewing documents from Synology Office, Microsoft Office Online, or Google Docs
Using Photo Viewer to view photos, Video Player to view videos, and Audio Player to play audio files
Browse folders/files in list view, tile view and thumbnail view
Drag and drop to move files between browser windows
Supports keyboard shortcuts
Virtual drives can be mounted to access the contents of disc (.iso) image files
Remote folders can be mounted from remote servers supporting the SMB1/SMB2/SMB3/NFS protocols
Remote connection to public cloud services and file servers can be made via a variety of protocols
Supported public cloud services include:
Box
Dropbox
Google Drive
Microsoft OneDrive
Supported protocols include:
FTP
SFTP
WebDAV
WebDAV HTTPS
Files can be shared:
With other users on the same Synology NAS
As email attachments with a built-in email client
Via easily generated shared file links or QR codes
By creating and managing file requests (i.e., file-uploading invitations) to be sent to non-DSM users
Shared file links can be:
Configured with validity periods, valid access times, and password protection to enhance security
Centrally managed via Shared Links Managers where users can edit, share, or remove existing shared links
Search (both regular and advanced) can be performed to find and display the desired files according to various criteria
Indexing folders allows for more efficient search results
Logs regarding file transfer and user activities are available for review and export
Speed limits can be set for specific users and groups transferring files
Limitations
A folder containing more than 10,000 subfolders cannot be opened at the lower folder to ensure optimal browser performance
For non-encrypted shared folders, file/folder name should be within 255 characters (up to about 80 characters for non-Latin languages), and the file path should be within 4,096 characters
For encrypted shared folders, file/folder name should be within 143 characters (up to about 47 characters for non-Latin languages), and the file path should be within 2,048 characters
Drag and drop between browsers or between tabs is not supported on Internet Explorer
Remote connection folders and mounted remote folders do not allow for regular searches to be performed
Virtual drives and .iso files can only be mounted to subfolders contained within shared folders
NFSv4 only supports the TCP protocol
Certain features cannot be applied to files stored on public cloud services or file servers, e.g., Compress to, Extract, Preview, etc.
The user speed limit settings of the connected cloud service or file server can affect the overall transfer speed of that remote connection
File request links do not allow for folders to be uploaded
Certain cloud-specific limitations may apply when connecting to a cloud service, please refer to this link for more information
Upload feature may vary with the type of web browser used, please refer to this link for more information
Universal Search
Features
Global search into applications and files on Synology NAS via file name and file content
Specifications
Offers searches into the following items on Synology NAS:
Files (including images, music, and videos) and file contents in indexed folders
Notes in Note Station
Documents and spreadsheets in Synology Office
Offline DSM Help documents
Applications
Full-text search with keywords and advanced search criteria:
Created/modified/last accessed date
File extension
File size (MB)
Author
Group
Owner
Composer
Album
Title
Publish year
Program name
Genre
Duration (mins)
Audio bitrate
Audio sample rate
Video bitrate
Video codec
Description
Rating
ISO
Camera
Camera model
Exposure time
Aperture
Horizontal resolution
Vertical resolution
Comes with the intelligent search widget "Search Now" to display precise search results:
Supports the "Ctrl + F" hotkey to launch the widget
Supports other hotkeys to search by file type: "Alt + D" for Documents; "Alt + P" for Photos; "Alt + M" for Music; and "Alt + V" for Videos
Search results can be filtered by the following file types: Document, Photo, Music, and Video
Up to 1000 folders can be selected for indexing (Not including subfolders contained within selected folders)
Limitations
Searches into the following types of storage space are not supported:
Items stored in external USB/SD storage devices
Items stored in remote folders, cloud services, and virtual drives mounted to Synology NAS
Volume for hosting indexed folders must have a minimum of 100 MB available
Previews of search results are not available for encrypted and empty-content files
Not all matched terms will be shown as highlighted in preview if a search result contains more than 1,024 matched items
Network Management
External Access
QuickConnect
Features
Allows secure and smooth connections from mobile and PC clients to Synology NAS via the Internet without the hassle of setting up port forwarding rules and router configurations
Creates a readable URL that allows easy file sharing both internally and externally for certain Synology packages
Specifications
Ensures server connection efficiency by a LAN/WAN detection mechanism to choose the optimal connection method (Learn more)
Ensures server reachability by choosing the optimal connection route and the optional QuickConnect relay service
Secures network connections with end-to-end encryption if SSL is enabled
Applies required port forwarding rules on compatible UPnP routers automatically
Customizable permissions for applications to allow access via QuickConnect
Supports detailed incident records for QuickConnect on the Synology Service Status website (Learn more)
Supports the following applications and services:
DSM
SRM
Central Management System (CMS)
Application Portal
Photo Station
Moments
Audio Station
Surveillance Station (including Synology Surveillance Station Client)
Download Station
Cloud Station (Cloud Station Backup and Cloud Station Drive)
Synology Drive Server (including Synology Drive Client)
Video Station
File Station
File Sharing
Chat (including Synology Chat Client)
Note Station (including Synology Note Station Client)
All Synology mobile apps (LiveCam & VPN Plus is excluded)
Limitations
Connections to third-party applications are not supported
Not supported on certain services and packages that require mapping directly to an IP address or a DDNS
Relayed QuickConnect connections may be slower than connections via port forwarding because of longer network latency
Relay service might not work because of certain limitations of ISPs in some regions
DDNS
Features
Translate the domain name of your Synology NAS to an IP address
Multiple DDNS providers
Synology Heartbeat service DDNS server
Supports custom DDNS provider profiles
EZ-Internet
Features
Express Setup: Supports UPnP & NAT-PMP routers
Advanced Setup: Supports signing in to a router with an admin account
Supports custom ports for router port-forwarding rules
Provides router port accessibility test to ensure forwarded ports can be accessed from the Internet
Network
Features
Multiple Internet connection types
Static routes on multiple gateways
Wi-Fi hotspots for easy connection
IPv6 Tunneling
Controls traffic flow and bandwidth for specific protocols
Specifications
General
Supported network protocols: PPPoE, DHCP, static IP
Supports entering PIN, username, password, and phone number
Supports changing the default gateway
Displays signal strength
Supported modes for Link Aggregation:
Adaptive Load Balancing
IEEE 802.3ad Dynamic Link Aggregation
Balance XOR
Active/Standby
Traffic control
Sets outbound bandwidth for services with specific TCP/UDP ports
Supports Bond and PPPoE interface
Maximum number of rules: 100
Static routing
Supports LAN, VPN, and Bond
Sets up routing rules to a specific interface or Bond
Maximum number of static routes: 100
Limitations
Internet connection
Maximum number of concurrent VPN connections: 1
VLAN
Each network interface allows only one VID
Traffic control
Only the outbound traffic is supported
Maximum number of ports in a rule: 15
System Management
Terminal & SNMP
Specifications
Telnet/SSH
Customized SSH cipher list
Supports SSH hardware accelerated ciphers
Notification
Features
Send notification messages via SMS, email, or other push services when system status changes or errors occur
Push notifications on macOS Safari and Google Chrome (with Chrome extension)
Push notifications on DS finder and DS cam
Email notifications from Synology mail service
Supports system notifications for DSM, Surveillance Station, and Download Station
Customized event types that will trigger the system to send notification messages
Task Scheduler
Features
Scheduled tasks can automatically perform the following actions:
Run user-defined scripts
Empty Recycle Bins
Emit beep sounds
Start/stop services
Resource Monitor
Features
CPU, RAM, disks, and network usage status
Volume/iSCSI LUN usage status
Resource usage history
Current user connections
Status of file transferring managed by Speed Limit
Security
Features
Protects and encrypts data with multiple security standards
Manages multiple firewall rules for specific protocols and services
Automatically blocks remote connections to avoid malicious attacks and hacking
Capability to fully scan files and security settings of the system
Supports 3rd party or self-signed certificates
Specifications
General
Runs Rapid7 vulnerability scans regularly
Military-grade AES encryption for shared folders and data transmission
Integration with Let's Encrypt to apply for and manage SSL certificates with ease
Trust level to safeguard from installing unknown or tampered package files
Web Security
Automatic logout timer provides a layer of security, with a default timeout duration of 15 minutes of inactivity
Admins can restrict users from embedding DSM into other web pages with iFrame
Option to set system protection against cross-site scripting attacks
Option to enhance system security with HTTP content security policy (CSP) header by allowing only data from trusted sources and restricting inline script execution
Supports trusted proxy server
Supports management of different access profiles
Security Advisor
Checks for available DSM and package version updates to ensure security and protect against vulnerabilities
Scans system and related network settings, and detects and removes malware for enhanced system security
Account and password strength detection
Automatically alerts users upon detecting logins from suspicious IP
Automatically updates security definitions database to stay up-to-date
Firewall
Access to ports or services can be individually customized to allow/deny specific IP addresses
Admins can create firewall rules based on geographic regions
Admins can organize firewall rules into different firewall profiles
DDoS protection on all LANs and PPPoE
VPN pass-through for PPTP, L2TP, IP Sec
Maximum locations in a rule: 15
Maximum rules: 100
Auto Block & Account Protection
Services which support Auto Block:
DSM, SSH, Telnet, rsync, network backup, shared folder sync, FTP, WebDAV, File Station, Photo Station, Audio Station, Video Station, Download Station, Mail Server, Mail Station, Time Backup, VPN Server, Cloud Station Backup, Cloud Station Drive, and Synology mobile apps
Services which support Account Protection:
DSM, File Station, Audio Station, Video Station, Download Station, Mail Station, Cloud Station Backup, Cloud Station Drive, and Synology mobile apps
IP block can be triggered based on a specified number of failed login attempts within a predefined duration. System supports black list and white list to increase management flexibility
Account Protection sets separate login attempt, frequency, and protection cancellation rules for trusted and untrusted clients
Certificate Management
Supports the import and management of multiple certificates
IEEE 802.1X compatibility
Supports multiple certificates for different services:
Web Apps (HTTPS) and WebDAV
FTP SSL/TLS
Mail Services
RADIUS Server
VPN Server
Replication Service
Synology Drive Server
Active Backup for Business
CardDAV Server
Synology Directory Server
Hyper Backup Vault
Presto File Server
File Station
Reverse Proxy
Web Station
Virtual Host
QuickConnect
Syslog
Surveillance
Supports the creation and auto-renewal of Let's Encrypt wildcard certificate
TLS/SSL Profile Level Management
Supports TLS v1.0/1.1/1.2
Supports multiple TLS/SSL Profile Levels for different services:
Web Apps (HTTPS) and WebDAV
FTP SSL/TLS
Mail Services
RADIUS Server
VPN Server
2-step verification
Time-based One-Time Password (TOTP) protocol
2-step verification enforcement for specific user groups
Allows trusted devices to skip the 2-step verification step
Supports Google Authenticator and Microsoft Authenticator mobile apps
Misc
Offers HTTP Compression for speeding up web page load time
Built-in AES-NI hardware encryption engine
Limitations
Firewall
GeoIP database can only be upgraded along with DSM updates
Certificate Management
Certificate encryption algorithm is supported by RSA only
Certificates must be in X.509 PEM format
Private keys must be in RSA format and cannot be passphrase protected
Certificates issued by Let's Encrypt are valid for 90 days and can be automatically renewed by DSM before they expire. Please make sure your Synology NAS and router have port 80 open for certificate renewal
2-step verification
Only users in the administrators group can disable the 2-step verification for regular users
Email reset for users in the administrators group is disabled. Users in the administrators group must soft reset the device to remove 2-step verification
Log Center
Features
Offers an easy solution for gathering and displaying log messages on Synology NAS
Centralized log management interface and the flexible search function to help you find useful information efficiently
Specifications
The following functions are only provided by the Log Center package, but not the built-in Log Center application:
Archives logs by specified time, number of logs, the data size, and hosts
Sends logs to another log server
Supports TCP and UDP transfer protocol
Supports BSD (RFC 3164) and IETF (RFC 5424) format
Supports secured SSL connection by importing certificates
Supports sending logs filtered by service categories or log levels
Receives logs from the other log servers
Supports TCP and UDP transfer protocol
Supports BSD (RFC 3164), IETF (RFC 5424), and other customized formats
Supports secured SSL connection by importing certificates
Keeps the configuration history of the Log Center package
Receives up to 3,000 syslog events per second
Proactive email notification according to log level or specified keywords
Advanced log search engine filtering logs by keywords, date range, and log level
Supports exporting logs to HTML or CSV files
Affiliated Utility
Synology Assistant
Features
An easy-to-use tool for managing your Synology NAS and other devices in the local area network (LAN)
For locating and connecting to Synology devices and checking status
For centrally managing printers attached to Synology NAS
Specifications
System requirements
Windows 10 or above
macOS 12.4 or above
Ubuntu 20.04 or above
Supports displaying the following information for Synology devices:
Server name
IP address
IP status
Server status
MAC address
Firmware version
Model
Serial number
WOL (Wake-on-LAN) status
Supports mapping a shared folder as a network drive
Supports using WOL to remotely wake up Synology NAS
Offers memory diagnostic tests for Synology NAS and routers
USB printers must be directly connected to Synology NAS via USB ports, not USB hubs
The memory card function of connected printers is not supported
Servers are unable to provides services during memory diagnostic tests
DS finder
Features
An app that lets you set up and install DSM on Synology NAS directly from your mobile device
Supports searching and locating Synology NAS within the same LAN
Supports various useful functions to configure your Synology NAS
Sends push notifications to your mobile device when system events take place
Specifications
System requirements
iOS: 13.0 or above
Android: 8.0 or above
Supports searching and connecting to NAS within the same LAN
Supports installing DSM for your NAS with the installation wizard
Automatically installs certain Synology packages for your Synology NAS directly from your mobile device
Creates Synology Hybrid RAID (SHR) as the default RAID type for quick and easy allocation of your drives' storage space
Recommends certain Synology mobile apps for your mobile device
Supports managing multiple NAS in one mobile app
Supports customizing a port for the Wake-on-LAN (WOL) function to wake up your NAS over the Internet
Supports shutting down and restarting NAS directly from your mobile device
Triggers beep sounds from your NAS to easily find its location
Monitors storage usage and hard drives' health conditions
Supports user management, such as adding and deleting users, managing credentials and status, and assigning user groups
Supports enabling push notifications to trigger notifications when specific system events take place
Supports configuring DSM update settings to automatically update DSM, automatically check for updates, or schedule a time to check for updates
Provides system and network information to view all the details about your devices
Supports configuring auto IP blocking with the options of blocking rules and block/allow list
Supports binding a Synology Account to each NAS for the following services:
Supports enabling and setting up QuickConnect to access your NAS in WAN
Allows for accessing DSM via a mobile web version without having to use a web browser
Supports passcode lock to secure the accessibility of your Synology NAS
Limitations
Only desktop models whose names start with "DS" are supported
DS file (Mobile)
Features
Mobile application for managing files stored on your Synology NAS through secure HTTPS connection
Browse pictures, watch videos, or check work documents on the go
Specifications
System requirements
iOS: 14.0 or above
Android: 8.0 or above
Supports logging in securely via SSL/TLS connections and verifying the server certificate installed on your Synology server
Supports sharing credentials with other Synology mobile apps and recording login history, allowing you to skip entering user credentials multiple times
The supported file formats vary depending on the capabilities of your mobile device
My Favorites: Supports adding frequently accessed files as shortcuts
Offline Files: Supports pinning files for access without Internet connection
Tasks: Supports displaying ongoing upload and download tasks and their respective statuses
Supports sharing files and folders with customized link settings to protect your data
Validity Period
Password
Supports backing up photos from your mobile device to your Synology NAS with granular settings
Backup modes:
Back up new photos: Back up only newly added photos/videos
Back up all photos: Back up newly added photos/videos as well as existing ones
Backup rules:
Upload on Wi-Fi only: Back up photos/videos only when your mobile device runs on Wi-Fi
Upload photos only: Back up only photos but not videos
Keep Original File Name: Keep original file names of backed up photos/videos. If not enabled, their file names are replaced with the date they were created
Live Photo: Upload live photos only, or upload both photo and video
Free up mobile space: Remove the photos and videos that have been backed up to your Synology NAS to release storage space on your mobile device
Supports archiving and extracting items to save storage space and provides password protection to safeguard sensitive data
File formats supported for extraction: zip, .tar, .gz, .tgz, .rar, .7z, .iso (ISO 9660 and Joliet)