Guide

1. Log in to Zapier, click on "Create," and then select "Zaps" to get started.

2. Click "Trigger" to proceed.

3. Search for "Trello" to set it as Trigger App.

4. Choose a trigger event, such as "New Activity," "New Board," etc.

5. Sign in to your Trello account, grant Zapier access, and click "Continue."

6. Click "Continue with selected record."

7. Search and select "Microsoft Excel" as the action app.

8. Choose an event under Microsoft Excel.

9. Log in to your Microsoft Excel, to continue.

10. Click “Accept.”

11. Complete and customize the required fields.

12. Select "Publish" to complete the integration.

13. By following these steps, you can integrate Trello with Microsoft Excel using Zapier and transfer existing data, then create a Board in Trello to try it out.