If you're using Microsoft Outlook, the common business email program, you can add your logo to your Outlook email signature so that it's automatically included in all outgoing emails.

To unsend an email in Outlook, first go to the Sent Items menu. Next, double click on the message you wish to recall until it pops up in another window. Click the File button then click Info.

A watermark is a logo, text, or pattern that overlays the document; it prevents people from counterfeiting your work. Sometimes individuals would want to add a watermark to their email messages to ...