7. Click on the "Load/remove an activity" button. 8. Click on each activity you need to load and click on "Close" 9. Activities are inserted at the top of the schedule. 10. Click on their name and hold to drag them to a column. 11. You can override the default duration you entered when you created the activity. Change the duration and drag it again to a column with the new duration. 12. Cell's height is adjusted according to the duration (height is approximative in the admin area and very precise in the front-end display).