Knowledge Base

How to install VLC plugin for your Synology NAS to support more video formats


You can have your video collections stored on your Synology NAS and play them with the Video Player built into DSM. All video formats supported by HTML5 are compatible with DSM's Video Player. If you wish for more supporting formats, you can install VLC™ Player, which supports embedded subtitles, on your local computer. This article will guide you through the steps to install VLC Player on your computer and play videos with DSM's Video Player.


  1. Before You Start
  2. Play videos with File Station

1. Before You Start

This article assumes that you have done the following tasks for your Synology NAS:

  • Hardware installation for Synology NAS
  • Software installation for Synology DiskStation Manager (DSM, web-based operating system of Synology NAS)

Refer to Quick Installation Guide for more information about hardware and software installation. You can also see Synology DiskStation User's Guide (available at Synology's Download Center) for a general idea about topics related to this article.

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2. Play videos with File Station

2.1 Play videos with the built-in Video Player

You can play videos stored on your DiskStation with the built-in Video Player on File Station.

  • Go to Main Menu > File Station, and then browse to the folder where the video is located.
  • Right-click the video and choose Play to open the Video Player window.

2.2 Install the latest VLC media player

The video should start playing right away. If not, following message will appear on the screen. Please make sure you have installed VLC Player (Windows, Linux) or VLC web browser plugin (Mac) on your local computer.

2.3 Check what video formats are supported by VLC Player

If you still fail to play the video after installing VLC Player, please check the following:

  • While installing VLC Player, make sure you have ticked Mozilla plugin and ActiveX plugin.
  • VLC is supported by the following browsers:
    a. Windows:Safari, Internet Explorer, Firefox, Chrome
    b. Mac: Safari
  • Following formats are supported by VLC Player: avi, dat, mkv, vob, asf, wmv, mov, qt, divx, flv, swf, rm, rmvb, mpg, mpeg, mpeg1, m1v, mpeg2, m2v, mp2, dvr-ms, m2ts, mts, m2t, ts, tp, trp, mpeg4, m4v, mp4, 3g2, 3gp, 3gp2, ogv, webm
  • If VLC is not installed on your local computer, video player will play videos supported by HTML5. Please refer to here for HTML5 videos supported by different web browsers.
  • The HTTPS protocol is not supported by VLC.

2.4 Mount a subtitle file

To mount a subtitle file:

  • Place a subtitle file and video file in the same folder (the file name of both files must be the same).
  • If your video contains embedded subtitle, you should be able to see it during playback. However, you can change the subtitle if you wish by choosing it from the drop-down menu (VLC for Mac does not allow you to change the embedded subtitle).

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