Sorts of M1A Files

Primary M1A File Association

.M1A

Formatting:	.m1a
Classification:	MPEG-1 Audio File

M1A is an audio file encoded using MPEG-1 Layer II compression. It contains only compressed audio data, but may be saved along with a corresponding .M1V video file

Developer:	Open Source
Class:	Audio Files
Folder:	HKEY_CLASSES_ROOT\.m1a

Software Programs That Open The MPEG-1 Audio File:

Microsoft Windows Media Player by Microsoft Corporation

	Windows
	Windows Phone

Mac

Apple QuickTime Player by Apple

Windows

Mac

ACD Systems ACDSee by ACD Systems

Windows

Media Player Classic by Open Source

Windows

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Troubleshooting Problems Opening M1A Files

Common Problems Opening M1A Files

Microsoft Windows Media Player Isn't There

You encounter an error message such as "%%os%% Can't Open M1A Files" when trying to open your M1A. When this happens, it is commonly due to Microsoft Windows Media Player missing in %%os%%. The typical path of opening your M1A with a double-click won't work because %%os%% cannot make the program connection.

Tip: Another M1A-related program can be selected to open the file by clicking "Show Apps" and finding the application.

Wrong Version of Microsoft Windows Media Player is Installed

In other instances, your MPEG-1 Audio File file version may not be supported by your version of Microsoft Windows Media Player. If you've got the wrong version of Microsoft Windows Media Player installed, you'll need to install the correct version. The primary cause of this problem is that your MPEG-1 Audio File file was created by a different (newer) version of Microsoft Windows Media Player than what's installed.

Tip: Find clues on the correct software version by right-clicking your M1A file and clicking "Properties".

Conclusion: The majority of M1A file opening issues are due to not having the correct Microsoft Windows Media Player version installed.

Additional M1A Opening Issues

In the majority of cases, installing the right version of Microsoft Windows Media Player will resolve your issue. Other M1A opening errors can be created by other system problems inside of %%os%%. These other problems include (listed in order from most to least common):

• File references in the Windows Registry for M1A are wrong
• Corruption of the M1A file description inside the Registry
• Corrupt install of Microsoft Windows Media Player or other M1A-related program
• Your M1A can't be loaded properly (file corruption)
• Your M1A has adversely impacted by malware
• Hardware associated with M1A has outdated drivers
• Windows cannot load your MPEG-1 Audio File file due to insufficient resources (eg. RAM)