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Finally, click on the Packages tab as shown below.
Packages tab
The following shows the Packages Tab screen. You will see the message "No packages have been configured…" until you have done so.
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A warning dialog box will appear. Click OK to delete or cancel.
Add USPS Flat Rate Packages
If you are shipping with USPS, then an option to add USPS Flat Rate packages to your configuration will appear on the screen as shown below.
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