File Station & Remote File Access
DSM Version
7.4 7.3 7.2

File Station & Remote File Access

File Station Overview

  • File Station is the default file management tool for Synology storage systems.
  • Browse, preview, manage, share, and search stored files and folders from computers, tablets, and mobile phones.

Maximum Supported Items

Item Limit
Concurrent remote folders 100
Cloud services and file servers 100
Files in the upload queue 1,000
Local groups 512
Shared folders 512
Local user accounts 16,000
  • The supported number of local groups, shared folders, and local user accounts may differ by Synology model.

File Management

  • Manage files and folders stored on Synology storage systems.
  • Create, rename, or delete files and folders.
  • Copy or move files and folders.
  • Upload or download files and folders.
  • Compress or extract archive files and folders.
  • Browse files and folders in list view, tile view, or thumbnail view.
  • Move files by dragging them between browser windows.
  • Use keyboard shortcuts:
    • Select all: Ctrl + A
    • Cut: Ctrl + X
    • Copy: Ctrl + C
    • Paste: Ctrl + V
    • Delete: Delete
    • Rename: F2
  • Restore or retrieve deleted files from Recycle Bin.
  • Review logs for file transfers and setting changes.
  • Set file transfer speed limits for specific users and groups.

File Management Limitations

  • To maintain browser performance, File Station cannot open a folder when a lower-level folder inside it contains more than 10,000 subfolders.
  • Drag-and-drop is not supported in Internet Explorer or between Internet Explorer tabs.

File and Folder Permissions

  • View and modify ACL permissions for files and folders.
  • Support the Windows ACL editor.
  • Display additional file and folder attributes.
  • Apply and modify WriteOnce settings on files, such as locking files, extending retention periods, or converting lock states.

File Viewing and Playback

  • Preview documents and play media files.
  • View documents from Synology Office, Microsoft Office Online, or Google Docs.
  • Synology Office supports the following formats for import (Learn more):
    • Document: .docx, .doc, .odf, .rtf (the last three require the installation of Document Viewer)
    • Spreadsheet: .xlsx, .xlsm, .xltx, .xltm, .xls, .xlt, .ods, .ots, and .csv
    • Slides: .pptx, .ppt, .odp (the last two require the installation of Document Viewer)
  • View photos with Photo Viewer.
  • Play videos with Video Player.
  • Play audio files with Audio Player.
  • Edit music information for audio files.
Media type Formats listed in the source spec
Photos .jpg, .jpeg, .jpe, .bmp, .gif, .png, .tiff, .tif, .arw, .srf, .sr2, .dcr, .k25, .kdc, .cr2, .crw, .nef, .mrw, .ptx, .pef, .raf, .3fr, .erf, .mos, .orf, .rw2, .raw
Music .mp3, .m4a, .m4b, .ogg, .wav, .flac, .ape, .aiff, .aif, .wma
Video Video Player plays HTML5-supported videos when VLC is not installed on the local computer. Learn more about HTML video

File Sharing

  • Share files with specific recipients through generated shared links or QR codes.
  • Share files through several sharing workflows.
  • Share files with other users on the same Synology storage system.
  • Share files as email attachments through the built-in email client.
  • Create and manage file requests for non-DSM users to upload files.
  • Configure shared file link expiration dates, valid access times, and password protection.
  • Use Shared Links Manager to edit, share, or remove existing shared links.

File Sharing Limitations

  • File request links do not support folder uploads.
  • Upload behavior may vary by web browser type. Learn more

Search in File Station

  • Run regular and advanced searches with multiple criteria.
  • Support indexing folders to allow for more efficient search results.

Search Limitations

  • Regular search is not supported in remotely connected folders or mounted remote folders.

Remote and Mounted Storage

  • Mount virtual drives, remote folders, and public cloud storage in File Station to access remote data locally.
  • Connect local workflows to remote storage and file servers.
  • Mount virtual drives to access optical disc image file content from .iso files.
  • Mount remote folders from servers that support SMB1, SMB2, SMB3, or NFS.
  • Connect to public cloud services and file servers through multiple protocols.
    • Supported public cloud services include:
      • Box
      • Dropbox, excluding Team Folder
      • Google Drive, excluding Shared Drive
      • Microsoft OneDrive
    • Supported protocols include:
      • FTP
      • SFTP
      • WebDAV
      • WebDAV HTTPS

Remote Access Limitations

  • Virtual drives and .iso files can be mounted only to subfolders under shared folders.
  • NFSv4 supports only the TCP protocol.
  • Files stored in public cloud services or file servers cannot use certain functions, such as compression, extraction, or preview.
  • Individual transfer speeds for each connected cloud service or file server are subject to user speed limit settings.
  • Cloud-service-specific limitations may apply when connecting to cloud services. Learn more

Name and Path Limits

Location File or folder name limit Path length limit
Non-encrypted shared folders Up to 255 characters, or about 80 characters for non-Latin languages Up to 4,096 characters
Encrypted shared folders Up to 143 English characters, or about 47 characters for non-Latin languages Up to 2,048 characters
  • File or folder names cannot contain a colon (:), a slash (/), start with ._, or use system-reserved names (such as . or ..).