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Complete Postal Library Software Update

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.


  • DMM (PDF version)
  • IMM (PDF version)
  • Domestic Rate Calculator
  • Customer Support Rulings
  • International Rate Calculator with the latest rates
  • Other useful utilities, such as Scale Utilities and ZIP + 4 Address Checking.

Minimum Requirements:

  • Windows Server 2016 (64-bit only) or Windows 10 Pro (64-bit only)
  • Screen resolution of at least 1152x864 (recommended 1440x900)

NOTE: For the most complete and up-to-date requirement information, refer to the "Window Book Product Requirements Guide."

Download Complete Postal Library

Release Notes