Install A Mailing List App on Squarespace

Learn the steps to add Mailing List to your Squarespace website in minutes with no coding or a developer.

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Steps to Add a Mailing List App on a Squarespace Site

Create your customized Mailing List app, match your website's style and colors, and add Mailing List to your Squarespace page, post, sidebar, footer, or wherever you like on your site.

How To Add a Mailing List App on Squarespace:

  1. Create a Free Mailing List App

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  2. Embed POWR Mailing List to your Squarespace

    3. Proceed to add a block and select embed from the list.
    5. Copy and paste the Share App link ⬅. Adjust the embedded app, and click SAVE in the upper left corner.
  3. Edit POWR Mailing List on your site

    1. Click on the blue Edit app icon seen above the app.
    2. All edits in the opened POWR Editor will be automatically applied.

Need to know more about features and integrations of our Mailing List app?

See the details

Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

Congratulations on publicizing your business online with Squarespace!


The next step is often gaining website visitors and making sales, but how?

Mailing List to Squarespace
Add Mailing List to Squarespace

Website Element Customization is Next

Some small business owners try to build a Mailing List app by themselves or get an expensive web designer that claims they can build one.


Others try to find web design companies overseas that appear to offer Mailing List apps for low prices or attempt to use open source code.

POWR Saves You Valuable Time

Plus, updating and customizing a Mailing List app can be difficult, and you may think you have to hire a developer.


Additionally, as your business booms, hackers could see an unsecured Mailing List as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

Add Mailing List to Squarespace
Support feature

POWR supports high-volume sites on Squarespace and prioritizes the security of our Mailing List app, as well as all 60+ apps, to keep any bad actors at bay.

security feature
All common questions are answered by searching POWR's robust Help Center or by reaching out to our customer support team, which is available 24/7.

POWR's team of engineers are working around the clock to keep Squarespace Mailing List and all 60+ other POWR apps working perfectly.

CASE STUDY: Rbia Shades is winning with POWR apps

A few months after Rbia Shades launched at local fairs and craft shows, they were looking for a way to sell online.


They wanted to visually appeal to site visitors and demonstrate the quality of their product and lightweight, ergonomic designs.


Their web host did not provide an adequate solution for this, and after some research, decided to give POWR a try.

In just a few short months of installing a POWR Popup app, Rbia earned over 600 new contacts – a 250% growth.


Next, they used a Social Feed app and quickly noticed a leap in new followers on Instagram and 200% more engagement on their site.


Last came the Media Slider. A beautiful way to show off their products and accessories to every site visitor the moment they land on their site.

Add Mailing List to Squarespace
Mailing List to Squarespace
Grow contacts by 250%
Mailing List to Squarespace
Engagement up 2x
Mailing List to Squarespace
2x site session time

Yes, POWR has an app for that.

See apps in action

Trusted by the best in the biz!

POWR has helped over a half million businesses on every continent
(besides Antarctica, because of course not)

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Frequently Asked Questions

Learn more about how to add POWR apps to your website.