Special Features 

Window Envelopes   
Custom Envelopes   
Parcel Post   
Reference Items   
Shipping Tools   
Special Services   

 Plus Other Great Features:   

Print Postage Using Standard Printers and Envelopes   
Express Mail and Priority Mail   
Seamless Program Integration   
Customize Your Own Envelopes   
Easily Mail to Your Contacts   
Automatic Postage Calculation   
Efficient High-Volume Mailings   
Instant Access