Whoops!

Looks like your operating system doesn't like us.

Sorry, your operating system is currently not supported by the Stamps.com software. Please try again with either Microsoft Windows XP or newer, or Mac OS 10.5 or newer on a Macintosh with an Intel processor.

Download Stamps.com 13.1 today!

What's new in Version 13.1

New 2015 USPS Shipping Products Added

Stamps.com customers have access to zone-based pricing for Priority Mail International packages being shipped to Canada. Also, USPS Tracking is now included for FREE for all Media Mail packages.

Print Postage from Microsoft Office 2013

No need to leave Word to print your postage. Stamps.com now supports Microsoft Office 2013 (32 bit only). Easily access mailing addresses inside MS Outlook or print postage directly on envelopes using the mail merge function. Sending out invoices or mass mailings has never been faster.

Faster Tracking Updates for ODBC

Your customers want tracking data and they want it now. Stamps.com delivers. USPS Tracking Numbers are now updated in your ODBC database 50% faster than before!

Squashed a few bugs

At Stamps.com, we’re always looking for ways to improve your experience with our software. With Stamps.com Version 13.1, we’re showing off our most advanced release to date. We’ve added some cool new features, exterminated a few bugs and created a user experience that’s second to none.

With Stamps.com, you have access to these other great features!

Print stamps, shipping labels, envelopes and more!

Stamps.com easily calculates and prints official, USPS postage for anything from postcards to packages – domestic or international. You can even print postage right on envelopes – including the address – all in one step.


Eliminate trips to the Post Office

If you can do it at the Post Office you can do it with Stamps.com… 24/7. You can even access special services including Certified Mail, USPS Tracking, insurance and more. Just give your letters and packages to your mail carrier, drop them in a mail box or schedule a pick-up.


Receive discounts you can't get at the Post Office™

Stamps.com customers save up to 54% on all Priority Mail Express® shipments, up to 49% on Priority Mail® shipments and up to 25% on First Class Package Service. Shipping internationally? Stamps.com saves you up to 13% on Priority Mail International shipments, up to 13% for Priority Mail Express International and up to 10% on First Class Package International Service. Package insurance is cheaper, too! Save up to 40% over USPS rates when you insure your shipments with Stamps.com.


Save at least 50% compared to postage meters

Do so much more for so much less. With Stamps.com, you’ll avoid hidden fees, service charges and equipment insurance, and eliminate the need for expensive postage meter ink. Best of all there’s no extra hardware to buy or lease. Learn more


Never fill out another Post Office form by hand

With Stamps.com’s automated forms, you or your staff will never have to handwrite another Certified Mail™, Return Receipt or International Customs form again. Save time and effort by printing postage, addresses and forms in one step.


E-commerce shipping has never been easier

Whether you print one shipping label at a time or print them all in one batch, fulfilling your e-commerce orders is a snap with Stamps.com. Our software eliminates the need for manual data entry by automatically retrieving your order data from eBay®, Amazon.com®, Paypal®, Yahoo!, Google Checkout and even your own shopping cart! Stamps.com will also post-back shipping details and order data to your eBay or Amazon store. Stamps.com also lets you hide the postage value on your labels (to avoid customer questions) and even generates return shipping labels at your customer’s request. Learn more


Give your mail a more professional look

With Stamps.com, you’ll never have to handwrite another shipping label or envelope. You can even add your logo or marketing message to your stamps, envelopes or shipping labels for an even more impressive, polished look.

Covered by and/or for use with U.S. Patents 5,801,944; 6,244,763; 6,461,063; 6,868,406; 6,939,063; 7,149,726; 7,216,110; 7,233,929; 7,236,956; 7,236,970; 7,243,842; 7,343,357; 7,458,612; 7,490,065; 7,509,291; 7,567,940; 7,613,639; 7,743,043; 7,765,168; 7,882,094; 8,027,926; 8,027,927; 8,027,935; 8,041,644; 8,046,823; 8,103,647; RE43,345; 8,195,579; 8,201,217; 8,301,572; 8,392,391; 8,498,943; 8,548,921; 8,600,910; and 8,626,673.