How do I convert my AAC file to DOCX? 
It's really simple to convert your audio file (*.aac) to a Microsoft Word format file (*.docx) with Sonix. Just follow these six easy steps:
Step 1
Sign up for a free Sonix trial account—includes 30 minutes of free speech to docx conversion.
Step 2
Upload your Advanced Audio Coding File file(s) (*.AAC) from your computer, Dropbox, or Google Drive.
Step 3
Select the language spoken in your AAC file. We support over 49 different languages. Then click the button 'Start Transcribing Now.'
Step 4
Sonix automatically extracts the audio from your AAC file and converts it to the Microsoft Word .docx format. It'll only take a few minutes so you can grab some coffee.
Step 5
Use the Sonix AudioText Editor to polish your DOCX transcript. Simply correct any words in your browser.
Step 6
Click the 'Export' button. Select 'Microsoft Word (.docx)' from the dropdown to download a docx version of your AAC file.
That's it! Wasn't that easy? Your AAC file has now been converted to text!
Thousands of incredible customers trust Sonix to transcribe their AAC files 
Frequently Asked Questions for Advanced Audio Coding File (*.AAC) to docx 
What is a AAC file?
Advanced Audio Coding (AAC) is the default encoding used by Apple iTunes and the iTunes Music Store. It is a compressed audio file similar to an .MP3 file, but offers several performance improvements; examples include a higher coding efficiency for both stationary and transient signals, a simpler filterbank, and better handling of frequencies above 16 kHz; maintains quality nearly indistinguishable from the original audio source.
Does Sonix transcribe audio files with a *.AAC file extension?
Yes, Sonix does automatically transcribe audio files with a .AAC file extension. Sonix is an online audio to text converter. Convert any audio (aac, mp3, m4a, wav, ...) or video (mp4, mov, avi, ...) file to text without installing any software! Sonix quickly and accurately transcribes *.AAC files and converts them to text in a docx format.
Know anyone who needs to convert Advanced Audio Coding File (.AAC) to docx?
We'd appreciate it if you tell them about Sonix—the best way to convert AAC to docx.
Other ways to convert your AAC audio files with Sonix
AAC to text
Use the most accurate speech-to-text technology to convert files: AAC to text.
AAC to PDF
Easily transcribe your AAC file to Adobe's Portable Document Format (pdf) so you can share them with colleagues.
AAC to subtitles
Create subtitles for your AAC files to make them more accessible for your audience.
AAC to srt
Quickly create subtitles from your AAC files and save them as SRTs, one of the most widely supported subtitle formats.
AAC to VTT
Create more advanced captions for your AAC files by using the latest caption format VTT (Video Text Tracks).
AAC to captions
Quickly and easily create closed captions for your AAC files so you can embed them in your video files.
Convert Advanced Audio Coding File to Microsoft Word (.docx) version with Sonix 
Sonix automatically transcribes and translates your audio/video files in 49+ languages. Easily search, edit, and share your media files. Sonix is an automated speech to text service that quickly converts files in the Advanced Audio Coding File (.AAC) format to Microsoft Word (.docx). Sonix does this conversion for you with the highest quality. Fast, accurate, and affordable. Millions of users from all over the world.
Includes 30 minutes of free transcription
