.mqv file: how to open it on Windows

8 Windows apps register the .mqv extension. Install one of them to open the file with a double-click.

QuickTime
A powerful multimedia technology with a built-in media player, QuickTime lets you view Internet video and personal media in a wide range of file formats. And it lets you enjoy them in remarkably high quality.

Proprietary 7.79.80.95 2.1M ↓
K-Lite Codec Pack Full
A collection of DirectShow filters, VFW/ACM codecs, and tools.

Free 20.1.0 5M ↓
K-Lite Mega Codec Pack
A collection of DirectShow filters, VFW/ACM codecs, and tools.

Free 20.1.0 663.3K ↓
K-Lite Codec Pack Basic
A collection of DirectShow filters, VFW/ACM codecs, and tools.

Free 20.1.0 527.9K ↓
K-Lite Codec Pack Standard
A collection of DirectShow filters, VFW/ACM codecs, and tools.

Free 20.1.0 230.8K ↓
Pure Codec
Codec pack for HD fans.

Free 20260630
PotPlayer
Powerful multimedia player that supports a variety of different video codecs and formats.

Free 26.10.21.0
Stellar Photo Recovery
Recover photos, audios, and video files from memory cards, cameras, hdds, ssds, etc. lost due to accidental deletion, corruption, formatting, human error, & virus attack, etc.

Proprietary 12.6.0.0