Customer Portal
A dedicated customer portal for Whistl P&P InSight, International PreSorted and International Registered services. Declare your daily mail volumes for Whistl’s Unsorted services and create unique tray cards to accompany mailings.
As a Whistl Customer, here is all the information you need to access the latest software and support details.
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See what we do to help established eCommerce businesses and brands
Looking for our Customer Guides, Resources and Mail Indicias
Access the latest sortation software/file specifications
If you want to sign up for 'software update' email reminders, please use the link at the bottom of this page.
Downloading this software is subject to the terms of our Download License Agreement.
If you do not agree to the terms of this Licence you should not download the Software.
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