Here is how to add file manager power-up in trello
- First click on the "Boards" option in the left sidebar
- Then click a board in the workspace section
- Next click on the "More" menu (three dots) button in the top-right corner
- Click on "Power-Ups" option from the dropdown menu
- In the Power-Ups menu, select "File management" category from the left sidebar
- Click the "Add" button under the "File Manager - Tiny Power-Ups Club" power-up
- Finally click the "Add" button in the confirmation dialog page to install the File Manager - Tiny Power-Ups Club power-up








