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Overview

The Purchase label page lets you buy an Australia Post MyPost Business label outside the main Ready to ship workflow. Use it when you need to:
  • Buy another label for an order you already fulfilled (replacement, damaged parcel, wrong service)
  • Create a return label by swapping from/to addresses
  • Purchase a standalone domestic label that is not linked to a Shopify order
Purchase label page showing from address, to address, package, service, and purchase summary

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Ways to open Purchase label

  1. Open the order in Shopify admin → Orders
  2. Click More actions
  3. Choose Purchase another label
Customer and order details are prefilled so you can buy postage and optionally add the new tracking number to that order. Shopify order More actions menu with Purchase another label

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2. From Transactions

In , open Transactions and choose Purchase label.

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3. Direct app page

Open Purchase label from the app navigation / shipping section (Purchase label page title in the app).

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What you can configure

From address

Choose the fulfilment location address your parcel ships from

To address

Enter or edit the delivery address (standalone labels are Australia-only)

Swap addresses

Quickly swap from/to for return labels

Package and service

Pick a package, weight, Parcel Post or Express Post, and extras

Custom dimensions

Add one-off box sizes or save a custom package for later

Add tracking to order

When linked to a Shopify order, append the new tracking number

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Buy a label step by step

1

Open Purchase label

Start from More actions → Purchase another label on an order, or open Purchase label in the app.
2

Confirm addresses

Check From (your location) and To (customer). Use Swap addresses for returns. Standalone labels must be domestic (Australia).
3

Choose package and weight

Select a flat-rate or custom package, enter total weight, and set postage features / transit cover if needed.
4

Optional: custom dimensions

In the package picker, choose Add custom package / one-off dimensions. Enter length, width, and height in centimetres. Optionally save the size as a reusable custom package.
5

Select shipping service

Wait for the quote, then choose Parcel Post or Express Post (and any other available options).
6

Linked order options

If the label is linked to a Shopify order, you can tick Add tracking to Shopify order and optionally Send tracking details to customer(s). Tracking is added alongside any existing tracking — it does not replace it.
7

Purchase

Confirm the postage cost and purchase. Download or print the label when it is ready.

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Custom dimensions on Purchase label

Purchase label uses the same custom dimensions experience as the main Shipping Labels page:
  • Enter Length, Width, and Height in cm
  • Apply as a one-off package for this label only, or
  • Save as custom package so it appears in your package list next time
Validation matches MyPost Business rules (for example, dimensions must be valid and within carrier limits). See also Bulk operations → Set custom dimensions.

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Linked order vs standalone

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Common use cases

Open the original order → Purchase another label → buy a new service/package → add tracking to the same order so the customer sees the replacement consignment.
Open Purchase label, set the customer address as From (or use swap), and your warehouse as To, then buy the return postage.
Useful when you need to send an extra item after the original fulfilment was already marked complete in Shopify.
Send a sample, warranty part, or marketplace parcel that is not tied to a Shopify order using a standalone domestic label.

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Tips

  • Prefer Purchase another label from the order admin when you need tracking to stay attached to that order history.
  • Recipient needs a phone number or email for MyPost Business validation.
  • If postage succeeds but Shopify tracking update fails, the label is still purchased — you can add tracking manually or retry from support guidance.
  • Re-download labels from Transactions for up to 30 days after purchase.

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Troubleshooting

International adhoc labels are not supported on this page. Use the main Shipping Labels / international workflow for overseas orders.
Postage was charged successfully. Open the Shopify order and add the tracking number manually if needed, or contact .
Complete from/to address, package, and weight first. Fix any validation messages under those fields, then wait for the service quote.
Refund unused labels in MyPost Business Transactions. The app cannot cancel MyPost postage via API. See Advanced features.

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Need Help?

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Schedule a one-on-one session with our shipping experts

Contact Support

Get help with Purchase label, replacements, or returns