Window Book has enabled over 9,997 companies to produce over
$39.5 billion dollars in postage statements and hundreds of millions
of dollars in increased profits by using our postal software since
We make businesses more profitable by allowing them to mail
and ship more intelligently using the US Postal Service®.
Mailers know us for our postage statement management software, while
companies that ship packages know us for our easy-to-use delivery
confirmation and manifesting systems. We call the users of our products
"Clients" because they are more than just a customer of ours. Our
clients are under our care, protection and tutelage… they rely on
us to give them the trusted advice they need.
Reduce Manual Labor, Improve Accuracy, Save Time, Reduce Postage
Costs, Provide Reports that enable management to make better
decisions and provide many value-added options. We offer a flexible
subscription model that allows companies to pay only for what they
use and ensures that we continually earn the opportunity to serve
them. Users have confidence that they have the latest USPS rates,
forms, and drop ship destinations. Subscribers have peace of mind
knowing they can easily update their software via the internet.