M4A audio files are audio in the MPEG-4 format. This file type is used for storing high-quality audio content. In comparison to MP3, the M4A format provides higher sound quality at smaller file sizes. What makes M4A notable is its association with Apple's iTunes, but it is also used in other platforms as well. M4A files function through the storage of sound data in either compressed or uncompressed format. The primary codecs used in M4A files are AAC and ALAC. AAC uses a lossy method, that makes the file smaller while maintaining good quality. ALAC, on the other hand is lossless, which keeps the original quality, but the file size is bigger. When opening M4A files, many media players today can easily open them. Apple iTunes is commonly used, though other media players, such as VLC, work well with M4A. You may need to install a codec for Windows Media Player, while QuickTime works natively. On smartphones, apps like Music apps such as Apple Music work with M4A formats. Alternatively, online converters, such as online tools, to change M4A to MP3 if you require a more common format. Freeware tools are commonly available for managing M4A files. VLC Media Player is an excellent freeware that opens M4A files on any OS. Other free converters, including Audacity and HandBrake, enable users to convert M4A. This freeware saves you from purchasing expensive software, yet still give you the ability to open these M4A formats. If you're looking to create an M4A file yourself, you will require audio editing software that supports the M4A format. Two programs, GarageBand and Audacity, work well for this. https://www.fileviewpro.com/en/file-extension-m4a/ can record and edit audio files and then export in M4A. If you already have an audio file, converting it to M4A is also an option, with converters like Freemake Audio Converter. Pick your source file, set the output to M4A, and begin converting. Despite its popularity, some people face challenges when trying to open M4A formats. Some software programs won’t open M4A files natively, this problem can be fixed with Fileviewpro. This all-in-one software provides a solution, letting you open M4A and many other file formats. No extra codecs required, it opens M4A effortlessly. With its easy-to-use interface, Fileviewpro makes managing M4A files a breeze. You no longer have to for multiple programs, making it a time-saving tool.