Print & Mail Envelopes

With Endicia, you can print USPS postage directly onto envelopes instead of using NetStamps for letters you are mailing within the United States. When printing envelopes, you can choose to print both the delivery and return address onto the envelopes, in addition to the postage.

You can print to the following envelope sizes:

  • #10, 4 1/8" x 9 1/2"

    Multiple types of #10 envelopes are available to purchase from our online store.

  • #9, 3 7/8" x 9 1/2"

  • #A9, 5 3/4" x 8 3/4"

  • #6, 3 5/8" x 6 1/2"

  • #A2, 4 3/8" x 5 3/4"

  • #7, 3 7/8" x 7 1/2"

  • #11, 4 1/2" x 10 3/8"

    #11 Certified Mail envelope option available

  • #12, 4 3/4" x 11"

Additional services like C.O.D, certified or registered mail, return receipts, non-machinable mail, and insurance are also available when creating and printing envelopes through Endicia.

Before You Begin

There are a few things to know before you print envelopes with Endicia.

  • Endicia Connect is required for printing envelopes unless you are using Chrome as your browser. If you are using Chrome, be sure to enable the print option Allow printing on envelopes without Endicia Connect in your Endicia account. Go to Settings > Mail > General.

  • You cannot print international postage directly on an envelope with Endicia. To mail international letters, use NetStamps instead.

  • We recommend printing a sample envelope to ensure your printer settings are configured and your envelopes are loaded correctly.

  • You can print multiple envelopes at once if they are all the same size, weight, and service class.

  • USPS Flat Rate Envelopes are useful for important documents because they include tracking and are considered Priority Mail. However, while they are called envelopes, you cannot use the envelope printing option in Endicia for them. Instead, create a shipping label if using Flat Rate Envelopes.

  • Large Envelopes/Flats are often used for manuscripts, reports, contracts, legal documents, and any document that cannot be folded. You cannot print postage directly on this type of envelope. Instead, use NetStamps or shipping labels for Large Envelopes/Flats.

Print Address and Postage on Envelopes

To print envelopes:

  1. Go to the MAIL tab.

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  2. Choose your envelope type from the Print On drop-down menu. The service will be automatically set to First-Class Mail Letter.

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    We offer many envelope sizes to choose from. If you are unsure which size envelope you are using, check the envelope packaging for details, or measure the envelope and choose the closest size. A standard business envelope is #10.

  3. Enter the Mail To address. You can do this manually or select from your Contacts list.

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  4. Enter the weight of your mailpiece. Or, if you use a postal scale, click Weigh.

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    The default is set to one ounce, which is about 5 sheets of paper in a #10 envelope.

  5. (Optional) Set the Insure For, Extra Services, and Mail Date if applicable.

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  6. Select what you want printed on the envelope: Return address, delivery address, and postage. All three options are selected by default.

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    If printing envelopes with a pre-printed return address, uncheck the Return Address box. If printing a window envelope, be sure to uncheck the Delivery Address box.

    Printing Window Envelopes

    The plastic used in some window envelopes can melt inside laser printers. To avoid possible damage to your printer, use laser-printer-safe window envelopes.

  7. (Optional) Enter a reference number and/or select a cost code. (These are useful for tracking and organizing your postage expenses)

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You are now ready to print your envelope! Click Print Postage.

First time printing?

Review our Print Sample Envelope help article if this is your first time printing or you are unsure if your printer is configured correctly for envelopes.

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Image may not reflect current USPS postage rates.

If your envelope failed to print properly, you can reprint without an extra charge by clicking the Reprint button and following the onscreen prompts.

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Access to the Reprint Option

The Reprint option appears after each print occurs. Please note you have one opportunity to reprint. Do not change any settings or go to another screen. Doing so will disable the Reprint feature.

Print Envelopes in Bulk

To create multiple envelopes at once, you'll add multiple recipients to your Ship To field. You can add them manually or add them from your Contacts list. You'll then prepare the shipment as you normally would.

When creating envelopes in bulk, all envelopes must be the same size, weight, and use the same postage rate. If you are unsure of the weight of the envelopes, be sure to weigh them before preparing postage.

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To add recipients from your Contacts list, click the Mail To link and then select the recipients from the Contacts pop-up.

MAIL_MailToLink_MultipleRecipients_MRK

The selected contacts will appear along with the number of envelopes required.

To add a new contact manually, click the + and enter the recipient details.

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Save time with Groups!

If you frequently mail or ship to the same individuals or companies in your contacts list, create Groups so you can add them all to your mass mailing more quickly.

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