Back to Formats
.ACO · Adobe Swatch File
Application
About the .aco format
ACO is the swatch file format for Adobe Photoshop, storing custom color collections. Use OpenFiles to open and view ACO files for free on macOS, Windows, and Linux.
File Details
- Extensions
- .aco
- MIME Types
- application/x-adobe-aco
- Categories
- Application
How to Open .aco Files
- 1
Download and install OpenFiles from the official website.
- 2
Launch OpenFiles and open your .aco file via File > Open or drag and drop.
- 3
Your file will open in the appropriate viewer for viewing and editing.
Supported by
Palette Editor
Editor
FAQ
Use OpenFiles to open and view the color list in .aco swatch files for free.
.aco is an Adobe Photoshop swatch file that saves a set of custom colors for use in design work.
Related Formats
Download OpenFiles
AI-native file manager for macOS, Windows and Linux.
Download Free