Stamps.com CONNECT allows official USPS postage to be printed in any browser, Windows or Mac, with any printer, when using Stamps.com Online. Think of Stamps.com CONNECT as your Personal Postage Printing License.
We suggest installing Stamps.com CONNECT when you first sign up for Stamps.com for the best mailing and shipping experience. If you prefer, you can prepare some shipping labels without Stamps.com CONNECT, but may not be able to print all types of postage or use all types of printers.
Simply download and install, following the onscreen instructions as you would any software on your computer.
Download Stamps.com CONNECT for Windows
Download Stamps.com CONNECT for Mac
After installation, Stamps.com CONNECT will open. Sign in with your Stamps.com Username and Password.
You will be returned to Stamps.com Online to complete your postage preparation and printing.