.ACT File

The act file extension is mainly related to graphic editors from Adobe. Used in both Photoshop and Illustrator, the ACT format is used to store color tables.

These act files are used to contains data about colors used for graphics optimization.

How to open:

This type of colour tables can be imported to Adobe programs.

How to convert:

Colour tables can be typically exported between various formats so they can be used in different programs.