ADX File Type

- The quick facts

What are ADX files and how to open them

Are you having problems opening an ADX file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an ADX file?

ADX files have multiple uses, and ADX lossy compressed audio is one of them.

ADX lossy compressed audio

These ADX files contain the lossy proprietary audio compression format used for video games. CRI Middleware created this audio format. The looping function of ADX audio made this format useful for background sounds in video games. Sega Dreamcast made use of this audio format for their video games. The Sonic the Hedgehog series makes use of this audio format.

How to open ADX files

Important: Different programs may use files with the ADX file extension for different purposes, so unless you are sure which format your ADX file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different ADX openers which you will find listed below.

Last updated: March 7, 2021

All known file formats using extension .ADX

While ADX lossy compressed audio is a popular type of ADX-file, we know of 4 different uses of the .ADX extension. Different software may use files with the same extension for different types of data.

Aodix project

These ADX files contain audio created by Aodix, a software designed by Juan Antonio Arguelles that acts as a basic sequencer program and uses the Amiga style "tracker" interface. It has an integrated sampler and synth and progressively drops in favor of a VST (Virtual Studio Technology) host. Due to the passing of the developer, Juan Antonio Arguelles, this software is unfinished. The last version released was Aodix v4 that came with its own set of new features.

While we have not verified the apps ourselves yet, our users have suggested 10 different ADX openers which you will find listed below.

Lotus Approach Database index

These ADX files contain the indexes of your database created in Lotus Approach, a database management system. You can do regular maintenance on your indexes to ensure it doesn't grow more extensive than what the database itself can support. Maintenance also helps to get rid of corrupt files that can potentially damage your database.

While we have not verified the apps ourselves yet, our users have suggested 10 different ADX openers which you will find listed below.

More file formats using the ADX extension

Through our research of ADX files, we know that the following formats exist. However, we have not yet analyzed them in detail, and we would love to hear from you if you have information about either of them.

MSX sound performance system Player XPL-A song

Various apps that use files with this extension

These apps are known to open certain types of ADX files. Remember, different programs may use ADX files for different purposes, so you may need to try out a few of them to be able to open your specific file.