.aac — Advanced Audio Coding
A lossy audio format generally offering better quality than MP3 at the same bitrate. Used by YouTube, iTunes, and many streaming services.
Media files are generally low-risk to open with trusted, up-to-date software. Keep your viewer/player updated, since any file format can theoretically be crafted to exploit a buggy app.
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Frequently asked questions
What is a .aac file?
A lossy audio format generally offering better quality than MP3 at the same bitrate. Used by YouTube, iTunes, and many streaming services.
Can I edit a .aac file?
Yes — .aac files are commonly editable with software such as iTunes/Apple Music.
Does having a .aac extension mean the file is safe?
No single extension can guarantee that. Media files are generally low-risk to open with trusted, up-to-date software. Keep your viewer/player updated, since any file format can theoretically be crafted to exploit a buggy app. Always consider where the file came from, not just its name.