Adding more than one email attachment using Comcast Webmail.

Compose a new email and click the Attach files button located at the top of your compose window.

Click the Browse button

Navigate to the first file you wish to attach. Select it by clicking on it once. Click Open.

Select the next Browse button to attach another file.  Repeat this process until all files have been attached.

When all files have been attached, click the attach button.

You can see your attached files in the bottom left-hand corner of your email.  Complete your email and send.