1.4. Configure Attach Plus to Work with your E-mail Application
To configure Attach Plus, right-click on the Attach Plus icon in the system tray and select 'Settings'.
From the General tab, locate the "Use the following e-mail application" drop-down menu:
Select your default e-mail program from the drop down menu and click "OK".
Attach Plus is now configured to work with your default e-mail program.