Here is how to add box power-up in trello
- First click on the "Boards" option in the left sidebar
- Then click a board in the workspace section
- Click on the three dots menu ("...") button in the top-right corner of the board
- Next click on the "Power-Ups" option in the dropdown menu
- Select the "Communication & collaboration" category from the left sidebar in the Power-Ups window
- Finally click on the "Box" Power-Up's "Add" button in the main content area





