Here’s are the steps to merge your Pinterest boards.
1 – Log in to your Pinterest account.
2 – Go to your profile by hovering over your image on the right. Click SAVED.
3 – Select the board that contains the pins to move.
4 – Click on the “Organise” button
5 – Choose “Select All”
6 – Choose “Move”.
7 – Choose the board from the pop-up menu and all yours posts will be moved to that board!
Simple as that! Only seven steps to reorganize or merge your Pinterest boards! Once you have moved your pins, you can easily delete the board and you now have a fresh start!