Files with dav file extension can be typically encountered as older video recordings from video recorders and security camera systems, for example the DVR365 series. Specially encrypted and encoded MPEG that can be only viewed using the default DVR365 Player.

Detailed description

Software that open dav file

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DAV file extension - DVR365 encrypted video recording

What is dav file? How to open dav files?

File type specification:

Digital video and movie file type icon Digital video and movie file type

File extension dav is mostly known to be used for a special video format from several digital video recorders (for example DVR365DVR-1600HP, etc.) as well as CCTV security solutions from several different manufacturers, including DVR365, AlienDVR or Mace.

The dav file represents video recording in a specially modified version o MPEG format saved in the SightBoss Central Station software which is installed on the DVR.

These dav files are also encrypted so they cannot be played by standard media players with MPEG support. A special playback software (DVR365) is needed to view the footage. You may also need older MPEG codecs installed on your computer for the playback to work.

Note: It seems that the DVR365 family of video recorders was superseded by AlienDVR devices that offer better resolutions and video encoded using the H.264 codec.

The latest AlienDVR video recorders do not use the original DAV format and it appears the recordings no longer even use the dav file extension as well, but the standard mp4 or 264 suffix.

Updated: November 23, 2022

The default software associated to open dav file:

DVR365 PC Player picture or screenshot

DVR365 PC Player  Microsoft Windows software

Company or developer:

DVR365 PC Player is special software, which has been developed so that a video file/clip can be taken from the DVR and put onto a CD or similar so it can then be played back on a stand-alone PC elsewhere.

CCTVWindows picture or screenshot

CCTVWindows  Microsoft Windows software

Company or developer:

CCTVWindows is client software for Windows PCs suitable for controlling and monitoring multiple alienDVRs and alienIP cameras over the LAN or Internet.

It supports live viewing and playback as well as more comprehensive functions such as detailed search, relay control, remote config, multi-layered mapping, and alarm notifications

Help how to open:

The official DVR365 Player software allows for playback of .dav recordings. Standard media players won't work.

How to convert:

You can find special utilities that allow for conversion of DAV format to AVI, for example the small utilities from Bahamas Security.

Find conversions from dav file:

dav to avi

dav to mp3

dav to mp4

dav to mpeg

dav to mpg

dav to vlc

dav to wmv

File identification strings:

HEX code: 44 41 48 55 41 22

Related links:

AlienDVR website

List of software applications associated to the .dav file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open dav file, edit dav file, convert dav file, view dav file, play dav file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting dav files.

dav file player - programs that play dav file - DVR365 encrypted video recording

Programs supporting the exension dav on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for play dav file action.

Microsoft Windows:

Main software associated with dav file by default:
DVR365 PC Player
Other suggested software:
AlienDVR PC Player Software V6mini

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