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Postal References and Simple Utilities Postal Business Companion - Mailing & Shipping Rate Calculator
Complete Postal Library™

Quickly and easily find the latest postal rates & regulations

 Window Book’s Complete Postal Library is a collection of postal reference and mailing analysis software tools designed to make mailing easier and more profitable .

Always be confident you have the latest postal information at your fingertips with updates via the internet.

Painlessly stay up-to-date with Domestic and International Mail Manuals! Postal Bulletin updates are integrated right into the appropriate section of the mail manuals, so you won’t have to look for changes!

Quickly get answers to questions on rates and requirements for domestic and international mail .

  • No more flipping through Postal Bulletins
  • No more wondering whether your DMM/IMM is outdated
  • No more expensive mistakes because you’ve used an old rule or rate

software, rates, domestic, international, mail 
This is the main screen. Take a look at the Complete Postal Library™ features 
when clicking on any of the buttons.

Access the latest postal rules & rates at the click of a button.

Let us get you started today!
Call us at 800-524-0380 for more information and to get a FREE software trial.

Domestic Rates Calculator
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Domestic Rates Calculator
A neat utility for understanding all the different ways you can mail.

domestic rates calculator
Compare Rates
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Compare Rates
Determine and compare the most beneficial and cost-effective way to prepare virtually any mailing, with both domestic and international rates. An easy-to-use postage rate guide, calculator, budgeting and mail preparation tool - all in one!

comparing postal rates
International Mail Manual (IMM) & International Rates Calculator
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International Mail Manual (IMM) & International Rates Calculator
Calculate rates for international mail based on destination country, weight and service. Access special instructions on: prohibitions, restrictions, observations, customs forms, Express Mail, and areas served.

international rates calculator
Zip 4 Address Checking
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Zip 4 Address Checking
Reduce returned mail and improve customer service with ZIP 4 Address Check feature. View easily printable PDF versions of the DMM & IMM. Just click on "DMM PDF" or "IMM PDF" in the "Postal Reference" tab.
Zone Calculator and Charts
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Zone Calculator and Charts
Calculate your postage ahead of time by viewing the zone chart.

zone calculator
Date Calculator
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Date Calculator
Easily determine date information quickly without looking through a calendar.

date calculator
Save time & money with Complete Postal Library for preparing Domestic and International mail


  • DMM & IMM Easy Reference with bi-weekly Postal Bulletin updates
  • Domestic & International Rate Calculators
  • Mail Profits Calculator determines profit point for your Direct Mail
  • Scale Utilities that compare and convert weights; do piece counts
  • ZIP+4 Address Checking
  • Customer Support Rulings
  • Measurements Conversion Calculator
  • Postal Zone Calculator & Charts
  • International Clock & Almanac
  • Date Calculator

Postal information at your fingertips

Features

This software keeps you up-to-date with your DMM and IMM. 
Window Book’s Complete Postal Library is a collection of postal reference and mailing analysis software tools designed to make mailing easier and more profitable for your business.

Use Complete Postal Library™—with its easily searchable, electronic DMM and IMM—to quickly find the latest postal rates, rules, and regulations for preparing your mail properly. Take advantage of easy software updates in the fast-changing postal world, without worry. You can update via the internet to stay up-to-date with your Domestic and International Mail Manuals! Rest assured, that you can always be confident that you have the latest postal information at your fingertips.

Complete Postal Library includes:

  • Domestic & International Rate Calculators
  • USPS Customer Support Rulings
  • Mail Profits Calculator
  • Scale Utilities:
    • Weight Comparison Calculator
    • Weight Conversion Calculator
    • Piece Count Calculator
  • Enhanced Help Menu (for fast tech support)
  • ZIP 4 Address Checking
  • More!

Let us get you started today!
Call us at 800-524-0380 or email sales@windowbook.com for a FREE trial or for more information.

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