You must have sufficient funds in your postage account before you can print postage stamps.
Your current postage account balance appears in the "Review postage total and print area". You replenish the postage in your account using the payment information that you entered when you set up your account.
Steps
On the toolbar, click the Buy Postage icon.
The Buy Postage window displays your current postage account balance.
Click the Buy Now button.
Note: To change or update your method of payment, click the Change button and follow the on-screen prompts.
You will receive an email confirmation when the transaction has completed. The additional postage appears immediately in your current balance.
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