ALL CAPS in Email: Effective Emphasis or Digital Yelling?

Written by Shaun Chojnacki | Jun 5, '24

Email marketers are always on the lookout for tactics that grab attention. One of the most noticeable—and arguably controversial—strategies is using ALL CAPS in emails. In episode 19 of Email Never Sleeps, R.J. Talyor joins Andrew Kordek to explore this polarizing topic: ALL CAPS. Is it an effective way to emphasize your message, or does it come across as yelling in the digital world?

Why Use ALL CAPS in Email?

Over the years, the advice has been clear—avoid ALL CAPS in emails, primarily in subject lines. It was seen as too aggressive and even detrimental to deliverability. But trends shift. R.J. points out that the use of ALL CAPS in subject lines has doubled over the past year, now appearing in nearly 10% of emails. And this isn’t just a seasonal trend. The surge that often begins around Black Friday seems to stick around, especially in industries where grabbing attention is paramount.

But why has this shift occurred? According to R.J., it’s all about cutting through the noise. As inboxes get fuller and attention spans shorter, marketers need bold strategies to make their message stand out. While emojis and clever preheaders still play a role, many brands—particularly discount-driven ones—have turned to ALL CAPS as an attention-grabbing tool.

Explore the power of effective subject lines further in our blog about Black Friday Subject Lines.

Does ALL CAPS Hurt Brand Perception?

While ALL CAPS might drive engagement, it’s not for everyone. As R.J. explains, a direct correlation exists between a brand's price point and email styling. Luxury brands tend to shy away from the screaming effect of ALL CAPS, instead opting for more refined approaches like sentence case or title case. Maintaining an image of exclusivity and elegance is key for these brands, and using ALL CAPS could feel off-brand.

In contrast, discount-driven brands are much more likely to use ALL CAPS, especially in emails announcing limited-time offers, flash sales, or extended clearances. For them, it’s less about subtlety and more about grabbing a quick, visceral response from their audience.

Is ALL CAPS Really Yelling?

The debate over whether ALL CAPS is yelling continues. While some may still perceive it as shouting, R.J. notes that the emotional context of ALL CAPS can vary. In the retail world, it’s often associated with excitement and urgency rather than anger. Think of it like seeing a sign for a “CLEARANCE SALE!”—the emphasis is more on the action than the tone.

Yet, this style won’t work for every audience. For B2B marketers, ALL CAPS can feel jarring and unprofessional.

Using ALL CAPS in B2B communications may hurt more than help, as these audiences typically expect more measured, polished content.

Should Your Brand Try ALL CAPS?

The short answer: it depends on your audience and your brand. As R.J. emphasizes, the best approach is to experiment. Run A/B tests on subject lines and email content to see how your audience reacts. Use ALL CAPS sparingly and only in the most appropriate context—don’t let it become a crutch.

If you're a luxury brand, avoid the all-out shouting match and focus on other ways to stand out, like emojis or creatively spaced subject lines. For retail brands, particularly those in competitive, discount-driven markets, ALL CAPS may be worth trying in time-sensitive promotions.

Testing ALL CAPS: The Key to Success

For marketers, the key takeaway from this episode is the importance of testing. As with any marketing tactic, one size doesn’t fit all. Talyor advises brands to experiment with all caps, sentence case, and even lowercase subject lines to see what resonates most with their audience.

He also suggests segmenting your audience—what might work for one group could be a complete miss for another. This could be especially true when marketing to younger generations like Gen Z, who are more likely to respond positively to bold and unconventional email strategies.

Are you looking to experiment with other trends in email marketing? Check out Episode 17: Why is Mastering Email Marketing like Catching a Unicorn?, where Evan Blittner discusses testing and iterating for email marketing success. And don't miss Episode 18: What Are CDP's? Why Are Brands Considering Them? to learn how customer data platforms can transform your email strategy.

Final Thoughts

In today’s crowded inbox, getting noticed is harder than ever. While ALL CAPS can be effective in the right context, marketers should proceed with caution. Use it strategically to drive urgency and attention—but remember, it’s not a one-size-fits-all solution.

For more insights into maximizing your email strategy, check out our guide on Black Friday Subject Lines and explore how different techniques can help you stand out in the inbox.

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