Step 2: Click on the icon "Domains".
Step 3: Pick your domain from the Domains section.
Step 4: Under the "Services" section, click on the "Web Directories" icon.
Step 5: Now at top, click on the "MIME Types" tab.
Step 6: Click on the "Add New MIME Type" button.
Step 7: In the field to the right "Extension", enter in the first extension name:
Then, to the right of the "Content", using the available drop down menu, select the following option:
After these two values have been set, click the "OK" button to finalize the changes. This process will need to be repeated for the following values: