If you want to add file attachments to your email messages, look for the dropdown list named "Attach", then select "My Computer" if you want to attach a file on your computer.
Please see the following screenshot for details:

If you want to add file attachments to your email messages, look for the dropdown list named "Attach", then select "My Computer" if you want to attach a file on your computer.
Please see the following screenshot for details:
