Exporting a Colourbar
Once you have created a new colourbar or edited an existing colourbar, you can export it for use in other sessions and projects.
Select colourbar to be exported
![Select colourbar to be exported](https://media.screensteps.com/image_assets/assets/004/208/548/original/03a87255-f2c5-4c8a-8019-b1a67e2a5cdd.png)
- In the Control Panel, open the Class tab.
- In the tree, select the class which you want to export the colourbar.
- Right-click the colourbar in the Details Panel and click Export.
Save colourbar to .ducb format
![Save colourbar to .ducb format](https://media.screensteps.com/image_assets/assets/002/340/161/original/6332d390-dcef-4dc3-b077-2eb08ffa4e58.png)
- Select a destination folder where you want to save the colourbar.
- Type a file name for the colourbar. If the file ends in .alut, it will be exported as a Petrel .alut file. Otherwise, it will be exported as a DUG .ducolbar file.
- Click Save.