As a Whistl Customer here is all the information you need to access the latest software and support details.
If you are a member of the public (you do not hold a business account with Whistl) and have a query related to the delivery of your item, please contact the purchasing retailer. Alternatively, you can use the ‘track my item’ link to track your domestic and international parcels.
For all other queries (not relating to where is my item) please contact a member of the Customer Service team. Please note this team will not be able to assist the public with item-related tracking queries.
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.
For more details on our products and services download the most relevant details in our helpful customer guides.
As a Whistl customer your mailing campaigns will need to carry a mailing indicia.
Your account manager and mailing house will give you the guidance on which mailing indicia you need to use when arranging your mailshot activities.
To ensure that your mailings are the right size and dimensions aligned to your ratecard, please review Royal Mail's video on how to check your item's, with the thickness checker
To ensure that your mailings are the right size and dimensions aligned to your ratecard, please review Royal Mail's video on how to check your item's length and width