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
What do I get in the Stamps.com Special Offer?
We offer new customers free supplies including free NetStamps and a 5 lb scale so they can get started with the basics required to get the most out of Stamps.com
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.
Does Stamps.com send out a Shipment Notification email to my recipient?
Yes, when you are configuring your label, all you have to do is enter your recipient's email address to ensure they receive tracking information for their package. This email includes the delivery address, mail date, mail class, estimated delivery date, special services, a customizable personal note, and a link with the tracking number.
Does postage from Stamps.com cost more than postage from the Post Office or UPS?
No. Our negotiated carrier discounts ensure you pay less for First Class Mail® stamps and get up 88% off shipping services from USPS, UPS, and other top carriers. These are discounts you will not find at the Post Office as they are reserved for high volume enterprises. Check stamps.com/carriers for latest on carriers and rates.
Does DHL Express deliver on Sunday?
No. DHL Express typically does not deliver on Sundays in most regions. However, Sunday delivery may be available in select areas or for time-definite international shipments with specific service upgrades. Check with DHL directly for regional availability.
Do I need to purchase any special equipment?
No. All you need is a printer and your computer or phone. You can print shipping labels on plain paper or adhesive labels, postage on our NetStamps® labels or direclty onto any kind of envelope, and on Certified Mail® forms.
Can Stamps.com help me track my postage spending?
Yes. Our reports show you you activity and total spend by carrier, mail class, shipping service -- so you always know how much you send. You can customize your reports by date and, if you are on our multi-location plan, you can also view activity and spend per location and user.
Can more than one person use my account?
Yes. You can add users to the same Stamps.com account - user limits vary by plan. If your organization has multiple locations, you can switch to our multi-location plan. Visit stamps.com/multilocation to learn more
Can I print multiple shipping labels at once?
Yes. Stamps.com allows you to print up to 10,000 labels in one click.
What are the UPS 2nd Day Air delivery times?
UPS 2nd Day Air guarantees delivery by the end of the second business day. For time-critical shipments, you can choose UPS 2nd Day Air A.M., which delivers by 10:30 AM, 12:00 PM, or 2:00 PM (depending on destination) on the second business day.
I work in a company with multiple locations. Can Stamps.com work for us?
Our multi-location plan, designed for companies with 2+ office locations, gives each location the ability to print postage and labels as needed, while capturing information about how much is sent and spent in a single dashboard to give the business the ability to budget. No leases, no contracts, and best-in-class support available when your users need it. Visit stamps.com/multi-location to learn more
What are the different types of Flat Rate Envelopes?
Regular, Legal, and Padded
What are the delivery times for UPS Standard?
UPS Standard generally delivers within 1 to 5 business days, with residential deliveries typically occurring between 9 AM and 9 PM. The exact delivery time depends on the distance the package travels and the specific destination.
What are NetStamps
NetStamps are USPS-approved blank labels on which you can print your own stamps. Simply buy postage on Stamps.com, use any printer to print on a NetStamps sheet or roll, and stick the NetStamp to an envelope, postcard, or other First Class Mail.
Is UPS Ground guaranteed
UPS Ground tracking uses a system of scans to update customers on the location and status of their packages as they move through the UPS network. Each package is assigned a unique tracking number, and as it travels, it's scanned at various points, including when it's received, when it's transferred between facilities, and when it's out for delivery.
How much does USPS First Class Package International® cost?
While price varies depending on weight and destination, rates for this service begin at $17 dollars.
What are the UPS 3 Day Select delivery times?
UPS 3 Day Select guarantees delivery by the end of the third business day after the package is picked up, with deliveries typically occurring Monday through Friday. It's a reliable option for shipments that aren't time-critical but need to arrive within a specific timeframe.
What are the UPS Ground Saver delivery times?
UPS Ground Saver typically delivers packages within 2 to 7 business days across the contiguous United States.
What is a USPS SCAN Form, and how is it useful for me?
The Shipment Confirmation Acceptance Notice (SCAN) form ensures that your packages are scanned by the USPS when they are dropped off or picked up by a mail carrier, so your customer can feel confident that their package is on its way.
Using Stamps.com, you’ll be able to create a SCAN form with a few clicks. Then, hand the form to the clerk or mail carrier, and they will scan the barcode on the form. This scan records an Acceptance event for all the packages associated with the form without having to scan each package individually.
What is DHL Express
DHL Express is a premium international shipping service that offers fast, time-definite delivery to over 220 countries and territories. It's designed for urgent packages, with door-to-door tracking, customs support, and express delivery options for businesses and individuals.
What items can be shipped through Media Mail?
Educational materials like books, music, or videos that never include any products or advertising.
What mailing and shipping services are available in Stamps.com?
Stamps.com gives you access to all mailing and shipping services from USPS, UPS, DHL, and other top carriers. Visit stamps.com/carriers for a full list.
What printers are supported by Stamps.com?
We support all printers from laser and inkjet to high speed thermal printers.
What shipping rate discounts can I get with Stamps.com?
With USPS, Stamps.com customers have access to Commercial Base, Commercial Plus, Cubic Pricing, and Negotiated Service Agreements. Savings include:
- Up to 16% on all Priority Mail Express® shipments
- Up to 30% on Priority Mail® shipments
- Up to 7% on international shipments
- Up to 40% on package insurance
With UPS, Stamps.com customers get up to 73% off UPS 2nd Day Air® and up to 77% off UPS® Ground Daily Rates.* Plus, many common surcharges are waived, including the residential surcharge for UPS Ground shipments.
*UPS rates are limited to shipping from the continental U.S. only. These rates and discounts exclude shipment origins from Hawaii, Puerto Rico, and Alaska. These rates and any applicable discounts are subject to change at any time without notice.
What USPS service should I use if I want to send large envelopes under 15.994 oz, letters up to 3.5 oz, and postcards?
First-Class Mail International®
Why is it easier to ship internationally with Stamps.com?
Stamps.com makes international shipping easy by offering international services from USPS, UPS, and other carriers including GlobalPost. We make customs forms hassle free, so you can complete them online with ou guidance, and simply print to include with your international shipment.
Will my media mail package be checked?
Yes. Your packages may be inspected to ensure compliance, as USPS is very strict about what items qualify for Media Mail.
Will Stamps.com upload tracking numbers to eBay, Amazon, and my Shopping Cart?
After a label is printed, Stamps.com automatically uploads the USPS tracking numbers, order info, and mail class back to the order source, including eBay, Amazon, Etsy, and your shopping cart.