To use the file manager, you will first need to place a Button into your email.

To add a button: 
1. Create a Structure block to place the button

2. Under the Content tab, select Button

3. Drag the button to the desired location


 

4. Select the button and the button options will appear

5.  Under the button options select Link File


6. Select Upload and choose a file to upload. 

7. Select the desired file.