Known MMV Files

Principal MMV Type

.MMV

File ID:	.mmv
Category:	MicroMV Video File

The MMV file extension may refer to a video file which is created by some Sony digital camcorders. The video data stored in the MMV file uses 12 Mbit/s MPEG-2 compression. In several editing and video player programs, the MMV file can be converted into other formats. In 2006, Sony stopped the use of MicroMV camcorder models.

Author:	Sony
Kind:	Video Files
Folder:	HKEY_CLASSES_ROOT\.mmv

Software Programs That Open The MicroMV Video File:

Squared 5 MPEG Streamclip by Open Source

Windows

Mac

Microsoft Windows Photos by Microsoft Corporation

Windows

Media Player Classic by Open Source

Windows

Additional MMV Files

.MMV

File ID:	.mmv
Category:	Magnex Firmware File

The MMV file extension may refer to a system firmware file that is used for updating the products of Magnex like the data storage device DJ-Book 900. The firmware updates contained in this file may be a new operating system or a new media compatibility. The MMV files are meant to be installed on Magnex devices, not to be opened on the computer.

Author:	Magnex
Kind:	System Files

Software Programs That Open Magnex Firmware File Files:

Unknown Software by Unknown Developer

Compatible with:

Windows

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MMV Troubleshooting

Frequent MMV Opening Issues

Squared 5 MPEG Streamclip Isn't There

Double-clicking your MMV file prompts the message "%%os%% Can't Open MMV File". If so, it typically means that you don't have Squared 5 MPEG Streamclip installed for %%os%%. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.

Tip: If you have another software that you know opens MMV files, you can select it by hitting the "Show Apps" button.

Squared 5 MPEG Streamclip is Out-of-Date

In some cases, you might have a newer (or older) version of a MicroMV Video File file that is unsupported by your installed application version. You will need to download a newer version of Squared 5 MPEG Streamclip if you don't have the right version. The primary cause of this problem is that your MicroMV Video File file was created by a different (newer) version of Squared 5 MPEG Streamclip than what's installed.

Tip: You can sometimes get hints about the right program version by right-clicking on the MMV file, selecting "Properties", and looking at the version information.

Regardless, most of the MMV file opening problems relate to not having the right version of Squared 5 MPEG Streamclip installed.

More Causes of Problems Opening MMVs

In the majority of cases, installing the right version of Squared 5 MPEG Streamclip will resolve your issue. There can be other issues - unrelated to software - preventing you from opening MMV files. Issues that aren't software-related:

• Corrupt Windows Registry file path references for MMV
• Accidental deletion of the description of the MMV file in the Windows registry
• Partial installation of Squared 5 MPEG Streamclip that did not fully complete
• File corruption affecting your MMV file
• Malware-tainted MMV file can't be opened
• Device drivers of the hardware associated with your MMV file are corrupt or out-of-date
• Insufficient system resources to successfully open MicroMV Video File files