Step 1: Create some text that you would like to link to the attachment.
Step 2: Select the text and click the 'Link' button (or 'Image' button).
Step 3: Click the 'Browse Server' button.
Step 4: Select the correct folder (images, documents, or videos) and click the 'Upload' button.
Step 5: Click the 'Browse' button.
Step 6: Select your file and click the 'Open' button.
Step 7: Click the 'Upload' button.
Step 8: You should see a brief confirmation message. You can then click the 'Insert file' button.
Last step: Click the green 'OK' button
These steps can also be followed to add an image. Just click the 'Image' button instead of the 'Link' button.