Varieties of HMT Files

Principal HMT Type

.HMT

Extension:	.hmt
Classification:	HighMAT File

HMT file used by High Performance Media Access Technology (HighMAT), a technology developed jointly by Microsoft and Panasonic that is used to save and playback digital media on CDs.

Company:	Microsoft Corporation
Division:	Data Files
Folder:	HKEY_CLASSES_ROOT\.hmt

Software Programs That Open The HighMAT File:

Microsoft Windows Media Player by Microsoft Corporation

	Windows
	Windows Phone

Mac

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HMT File Complications

Issues Opening HMT Files

Missing Microsoft Windows Media Player

You attempt to load your HMT file and get an error such as "%%os%% Can't Open The HMT File Extension". Usually, this is because you do not have Microsoft Windows Media Player for %%os%% installed. Your operating system cannot associate your HMT with Microsoft Windows Media Player, so double-clicking the file won't work.

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

Obsolete Version of Microsoft Windows Media Player

Your HighMAT File file is incompatible with Microsoft Windows Media Player because you might have the wrong version installed. Visit the Microsoft Corporation website to download (or purchase) the latest version of Microsoft Windows Media Player. This issue mainly occurs when your HighMAT File file was created by a newer version of Microsoft Windows Media Player than you have on your PC.

Tip: Right-clicking on your HMT, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.

Conclusion: The majority of HMT file opening issues are due to not having the correct Microsoft Windows Media Player version installed.

Other Causes of HMT File Opening Problems

Even with the correct version of Microsoft Windows Media Player installed, you can still experience difficulties opening HMTs. If you're still experiencing problems opening HMT files, there could be other computer problems. These other problems include (listed in order from most to least common):

• Windows Registry HMT file paths that are incorrect
• Unintentional removal of the description of the HMT file inside the Windows Registry
• Microsoft Windows Media Player or another HMT application experienced a flawed installation
• Your HMT file is corrupted (issues with your HighMAT File file itself)
• The HMT is infected with a virus
• Device drivers for HMT-related hardware are out-of-date
• Insufficient system resources to successfully open HighMAT File files