1. Navigate to ‘Administration’ -> Shippers
2. Click ‘Add New’ and choose 'USPS Stamps.com'
3. Enter in your Username and Password
4. Click ‘Save’
Other Tips for Setting up your USPS Stamps.com Account
Note Usage: Chose the note usage by shipment number or SKU number
Click the ‘Options’ tab to set default settings for your USPS Stamps.com account such as default package type, default confirmation, default box dimensions and description