40+ Best onboarding email subject lines

Onboarding emails are a hit because they're often the first thing people open when they subscribe, and it makes sense! When folks sign up for your emails, they look forward to a warm welcome and guidance on making the most of your products.

This is a fantastic opportunity for us marketers to boost conversions and sales. Plus, the onboarding email series can be the first step in a customer's journey towards becoming a loyal fan. And guess what? It all starts with those catchy subject lines.

To give you a strong head start, we've put together a bunch of onboarding email subject lines that'll kick off an incredible journey with your new subscribers.

Best onboarding email subject lines for ecommerce

Your website visitors shared their email addresses with you, and that's a great start! But what's next? Let's not just make them feel like they did the right thing—show them they're in for something special! Send them an onboarding email that gives them a sneak peek of your unique products.

To kick things off, here are some subject lines to help you get started:

Welcome to [Brand]'s world of [Product]

Get acquainted with [Product] delights

[First Name]'s exclusive [Product] introduction

Start exploring [Product] from [Brand]

[Brand] welcomes you to [Product] bliss

Dive into [Product] with [Brand]

Say hello to [Product] by [Brand]

Discover [Product]

Unveiling [Product] wonders by [Brand]

[First Name], meet your new [Product]

[Product] secrets revealed by [Brand]

Explore [Brand]'s signature [Product]

Ready to indulge in [Product]? [Brand] is!

Your [Product] journey starts with [Brand]

[First Name], get ready for [Product] fun!

Onboarding email subject lines for SaaS

Getting visitors to sign up for a free trial or subscribe to your SaaS product is just the starting point. The real goal is to ignite their excitement and motivation to log in and actually use it. Otherwise, you'll have a contact who's signed up but not engaged, which isn't what you want.

That's why SaaS onboarding emails are so important. They should interest the visitor and explain the product, encouraging them to confidently dive right into your product.

Here are some subject lines to inspire you to create such an engaging email:

Welcome to [Product]: let's get started!

[Brand]: your digital assistant has arrived

Meet your [Product] guru!

[First Name], dive into [Product] goodness

[Product]: where innovation meets you

Your [Brand] toolbox awaits

[First Name], say hello to [Product]

Get to know [Brand]'s star player

[Product] - making life easier for you

[First Name], ready to rock with [Brand]?

Your [Product] journey begins today

Introducing [Product] by [Brand]

[Product] - empowering you always

[First Name], let's explore [Brand] together

[Brand]: revolutionizing your workflow

More good onboarding email subject lines

The best qualities of a product or service can be revealed only when the user knows how to use it. That’s why the key to good first experiences depends on onboarding emails. 

To add to your success, we present captivating subject lines to go with your onboarding emails:

Welcome to the [Brand] family, [First Name]!

[Product]: the secret ingredient to success

[First Name], it's time to unleash [Product]

Get ready to soar with [Brand]!

Dive into [Product] - your journey starts now

[Brand] welcomes [First Name]: let's innovate together

Unlock the potential of [Product], [First Name]

Discover [Brand]'s hidden treasures, [First Name]

[First Name], prepare to be amazed by [Product]

The ultimate [Product] experience awaits!

Ignite your imagination with [Brand], [First Name]

[Product] enthusiast? [Brand] welcomes you

[First Name], your [Brand] passport awaits!

Charting [First Name]'s journey with [Product]

[First Name], prepare to be inspired by [Brand]

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Open Sesame: Subject lines to get your emails read

Your perfect email won't matter if it won't be opened. Want some inspiration? Check these robust subject lines, designed for maximum opens of your promotional emails.
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