ADO File Type

- The quick facts

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?

An .ADO file is an Adobe Duotone Options file. 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

Other file formats using extension .ADO

While Adobe Duotone Options is a popular type of ADO-file, we know of 2 different uses of the .ADO extension. Different software may use files with the same extension for different types of data.

Adorage Animation

Through our analysis of ADO files, we know that one use of the format is Adorage Animation. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

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

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.

We have not verified any software that we know for certain will work with ADO-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with ADO-files. If you know one, please use the 'Suggest a program' link below and tell us about it!