ADO File

What are ADO files and how to open them

Are you having problems opening an ADO 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 ADO file?

ADO files have multiple uses, and Adobe Duotone Options is one of them. Read more about the others further down the page.

Adobe Duotone Options

These ADO files contain settings for color transfer curves that specify the properties of two colors to grayscale images in Adobe Photoshop. You can store or load these duotone ink settings and apply them to multiple images.

How to open ADO files

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

While we have not verified the apps ourselves yet, our users have suggested 6 different ADO openers which you will find listed below.

Last updated: April 4, 2021

More file formats using the ADO extension

Through our research of ADO files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Adorage Animation

Various apps that use files with this extension

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

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about ADO file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.