AD3 file icon

AD3 File Extension

ADPCM 3-bit Compressed Voice Format

What is AD3 file?

Full format name of files that use AD3 extension is ADPCM 3-bit Compressed Voice Format. AD3 file format is compatible with software that can be installed on Windows system platform. AD3 file format, along with 771 other file formats, belongs to the Audio Files category. The most popular software that supports AD3 files is SoX. SoX software was developed by The SoX Team, and on its official website you may find more information about AD3 files or the SoX software program.

Programs which support AD3 file extension

Programs that can handle AD3 files are as follows. Files with AD3 suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support AD3 file

Windows Windows

Updated: 12/24/2019

How to open file with AD3 extension?

Problems with accessing AD3 may be due to various reasons. What is important, all common issues related to files with AD3 extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install SoX software

Install software to open AD3 file Problems with opening and working with AD3 files are most probably having to do with no proper software compatible with AD3 files being present on your machine. The solution is straightforward, just download and install SoX. Above you will find a complete listing of programs that support AD3 files, classified according to system platforms for which they are available. The safest method of downloading SoX installed is by going to developer’s website (The SoX Team) and downloading the software using provided links.

Step 2. Update SoX to the latest version

Update software that support file extension AD3You still cannot access AD3 files although SoX is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why AD3 files are not compatible with SoX. The most recent version of SoX is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign SoX to AD3 files

After installing SoX (the most recent version) make sure that it is set as the default application to open AD3 files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with AD3 file on Windows

The procedure to change the default program in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the AD3 file
  • Select Choose another app → More apps
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where SoX is installed. Now all that is left is to confirm your choice by selecting Always use this app to open AD3 files and clicking OK.
Associate software with AD3 file on Mac

The procedure to change the default program in Mac OS

  • From the drop-down menu, accessed by clicking the file with AD3 extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with AD3 extension. By clicking Continue you confirm your selection.

Step 4. Verify that the AD3 is not faulty

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper AD3 file. It is probable that the file is corrupted and thus cannot be accessed.

Check AD3 file for viruses
1. Check the AD3 file for viruses or malware

If the file is infected, the malware that resides in the AD3 file hinders attempts to open it. Scan the AD3 file as well as your computer for malware or viruses. If the AD3 file is indeed infected follow the instructions below.

2. Ensure the file with AD3 extension is complete and error-free

If the AD3 file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with AD3 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the ADPCM 3-bit Compressed Voice Format file again.

4. Check whether your system can handle SoX

The operating systems may note enough free resources to run the application that support AD3 files. Close all running programs and try opening the AD3 file.

5. Ensure that you have the latest drivers and system updates and patches installed

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with ADPCM 3-bit Compressed Voice Format files. It may be the case that the AD3 files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the AD3 file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on AD3 file.

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