64-bit version available. Download Stamps.com 64-bit version.
Mac Users: Go to Stamps.com Online to print postage from any web browser. Stamps.com software is only compatible with Windows computers.
Already downloaded the software? Please look for the Stamps.com icon on your desktop and click it to launch Stamps.com.
Stamps.com Version 20.0
New Look, Same Functionality!
We’ve refreshed our look to make your mailing and shipping experience simpler.
With Stamps.com, you have access to these other great features!
Print stamps, shipping labels, envelopes and more!
Eliminate trips to the Post Office
Receive discounts you can't get at the Post Office™
Never fill out another Post Office form by hand
Ecommerce shipping has never been easier
Give your mail a more professional look
Covered by and/or for use with U.S. Patents 7,243,842; 7,490,065; 7,613,639; 7,765,168; 7,831,524; 7,844,553; 8,027,935; 8,046,823; 8,201,217; 8,626,673; 8,626,674; 8,751,409; 8,954,355; and 8,965,809.