Important Stamps.com Operating System Security Requirements
Important information about connecting to Stamps.com!
The Payment Card Industry (PCI) Security Standards Council, a coalition of credit card payment processors such AmEx, Visa and Mastercard, has updated their protocols for transmitting secure credit card transactions. As of June 30, companies will no longer be able to transmit credit card data using the older Transport Layer Security protocol TLS 1.0. In order to remain PCI compliant, only TLS 1.1 and TLS 1.2 will be allowed starting July 1, 2018.

Older Operating Systems Can No Longer Login to Stamps.com
Due to this TLS requirement, older operating systems and browsers will not be able to connect to Stamps.com after June 30, 2018. The following operating systems and browsers DO NOT have native support for TLS 1.1/1.2:
• Microsoft Windows Vista
• Microsoft Windows XP
• Microsoft Windows 2003
• MacOS 10.8 and below
• Internet Explorer versions 10 and below
• Mozilla Firefox versions 26 and below
• Google Chrome versions 29 and below
• Apple Safari versions 6 and below
In order to login to Stamps.com, please update to a supported operating system and internet browser on or before June 30, 2018.
Windows 7 User Verification: Some Windows 7 users may not have modern versions of TLS enabled by default. Stamps.com Software utlilizes specific Internet Explorer settings to make a connection to our server. If you are using Windows 7, you will need to check/update your TLS settings within Internet Explorer. To check or update your TLS settings, open the Internet Explorer browser, then click on the “Settings” gear icon and select “Internet Properties”. In the new window, select the Advanced tab, and make sure the boxes next to “Use TLS 1.1” and “Use TLS 1.2” are checked.Learn more info on how to check your TLS settings for Windows 7.

Stamps.com Online Customers: All of your account information will be available after updating your operating system and browser. Stamps.com Online updates itself automatically, and is accessible from any modern internet browser.
Stamps.com Software Customers: When you update your operating system and reinstall Stamps.com PC Software, most of your information will move to your account except for your address book. Before you update to a new Operating System, you MUST export your existing address book, keep the file handy, and then import it after you update.
What do I do if I cannot update Operating Systems?
If you are unable to update to a supported operating system, the latest version of the Stamps.com Software includes enhancements that may help you avoid a service interruption. To download the latest version, go to www.stamps.com/download.
Frequently Asked Questions
Can I import my orders from Shopify, eBay, Amazon, and other stores?
Yes. You can connect your shopping carts and marketplaces including Shopify, eBay, Amazon, and Etsy with Stamps.com in under 5 minutes. You can also import your orders from a CSV file, Microsoft Excel, XML, or your own ODBC.
Can I create a Return Shipping Label?
Yes. After you're printed your shipping label, you can generate a pre-addressed pre-paid return label your clients can use to send items back.
How fast is Priority Mail International?
Generally, it takes Priority Mail International six to ten business days. USPS hands off shipments at the border of the destination country before the local postal service completes the delivery.
How does the 30-day risk-free trial work?
We offer new customers a 30-day risk free trial to see if Stamps.com is right for them. Cancelling any time within the 30-day time frame will result in no charges; however, if you continue past your 30‑day trial, you will be charged a monthly subscription including your first month's fee. Your service will continue uninterrupted unless you cancel.
How do you track a UPS package?
You can log into your app and visit your "history" page to view real-time tracking information for every item you send. You can also enter your tracking number on the UPS website to see tracking updates.
How do UPS drop offs work?
Drop off your shipment 24 hours a day, seven days a week at one of the 60,000 UPS dropoff locations across the United States. This includes UPS Stores, UPS Drop Boxes, CVS, Michaels, and Advanced Auto Parts.
How do NetStamps work?
You can print NetStamps if you have a Stamps.com account with sufficient postage balance. After logging in to your account, simply select print on “NetStamps,” choose how many to print, select to print on a NetStamps sheet or roll, and click print!
How do I cancel my account?
Log in and navigate to your subscription page to cancel from within the app, or simply call our toll-free number 855-608-2677, M–F 8AM to 8PM CT and our customer support team will be happy to assist you. You can cancel any time.
Does Stamps.com work on Macs?
Yes. Mac users can use our web app on any browser, or they can download our desktop app for Mac for free. Visit stamps.com/download to access all of our apps including our free mobile app.
Does Stamps.com support an ODBC connection to my database?
Yes. Stamps.com can pull order or customer information from virtually any database, from Excel to SQL. Stamps.com also creates an export file that includes mail class, mail date, shipping cost, and tracking number.