ADO File - opening and understanding

Did your computer fail to open an ADO file? We explain what they are used for and recommend software that we know can open or otherwise handle your .ADO 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

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension ADO for different purposes.

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

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.

The ADO file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So an ADO opener may not be able to open all kinds of ADO files. In this case, look through both formats to make sure you find the best suited ADO viewer.

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 viewers for this file format

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!