Guide

1. Go to the left-side panel and click 'Audience'.

2. Select 'Lists & Segments' from the list of options.

3. After that, find the list you wish to merge and then click the 'More Options' button next to it.

4. Tap 'Merge List' to proceed.

5. Subsequently, confirm the list you prefer to use as the source and destination. Configure their respective menus based on your preference.

6. Specify afterwards if you wish to delete the source list or not. Tick the radio button beside your choice.

7. Once done, tap 'Merge' to proceed and apply the changes.

8. After completing these steps, the selected Klaviyo list will be merged based on your input.