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Helping You Become More Profitable by Mailing and Shipping More Intelligently.

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What is Intelligent Mail?

Get the Facts and be Prepared for Postal Changes
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About Window Book
Helping people mail & ship more intelligently with the Postal Service since 1989.
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Postal Info
Mailing Software

Mailing Software

The Leading Post-Presort Mail Processing software.
Unrivaled Mail.dat® File Management.
Intelligent Mail Barcode Support.
USPS PostalOne!® Integration & Postal Statements Generation.
Shipping Software

Shipping Software

SAVE on USPS Rates for Domestic & International Shipping.
When Shipping 50, 500, or 5,000 Packages daily you can
Save Up To 3.5% when Using Commercial Rates over Retail.
Support for Most Special Services.
Optional Priority Mail Open & Distribute.
Postal References & Utilities

References and Utilities

Knowledge and the right software are your biggest allies in making your mailing and shipping activities more efficient and cost effective. These indispensable tools will help you Save Time and Money with all your Mailing and Shipping needs. 
Hardware, Printers & Labels

Window Book Store

Whether you're a mailer or shipper, we have the right software applications, scales, printers, scanners, and supplies, to make your mailing and shipping operations more efficient with the United States Postal Service.
For USPS® Sales Reps & Employees

USPS Employees

Window Book, Inc offers Online Tools and Custom Services to US Postal Service® Sales Representatives and Employees.
Visa, MasterCard, American Express, Discover Accepted