Email closing lines: 48 examples and best practices

TL;DR

The best email closing lines are clear, polite, and action‑oriented. Research shows gratitude-based closings significantly improve reply rates. In this post you’ll find best practices along with 48 practical examples.

Introduction

Email remains one of the most widely used communication tools worldwide, with over 376 billion emails sent and received daily in 2025. In such crowded inboxes, your closing line becomes a key driver of clarity and response.

Boomerang’s analysis of 350,000+ threads found that emails ending with expressions of gratitude achieved up to 65.7% reply rates, outperforming standard closings by a wide margin.

Fact nugget: Your final sentence is often the part of the email that determines whether someone replies.

Source: Boomerang

What Is an Email Closing Line?

A closing line is the final sentence before your sign‑off. It wraps up your message, clarifies expectations, and creates a lasting impression.

Why it matters: Effective communication is directly tied to productivity — well‑connected teams see a 20–25% productivity increase.

What Makes a Good Email Closing Line?

A strong closing line is:

• Clear

• Polite

• Action‑oriented

• Matched to tone and context

48 Email Closing Line Examples

Professional & Polite

• Please let me know if you have any questions.

• Looking forward to your response.

• Let me know how you’d like to proceed.

• I appreciate your time.

• Thank you for your attention to this matter.

• I look forward to working together.

Friendly & Approachable

• Happy to help if anything comes up!

• Let me know what you think.

• Excited to hear your thoughts.

• Talk soon!

• Hope your week is off to a great start.

• Glad to help whenever needed.

Thank‑You Focused

• Thank you again for your help.

• Really appreciate your quick response — thank you!

• Thanks for the update.

• Thank you for considering my request.

• Thanks in advance for your time.

• Appreciate your support on this.

Sales & Outreach

• Let me know if you’d like to explore this further.

• Would you be open to a quick call?

• Can I send more details your way?

• Looking forward to hearing your thoughts.

• Happy to walk you through a demo.

• Let me know if this aligns with your goals.

Follow‑Up

• Just checking in — any updates?

• When you get a moment, could you take a look?

• Following up here in case this got buried.

• Let me know if you need anything else.

• Looking forward to your update.

• Appreciate you taking another look.

Scheduling

• Does Tuesday at 10 AM work?

• Let me know your preferred time.

• Happy to reschedule if needed.

• Please confirm your preferred time.

• Looking forward to our meeting.

• Let me know if you'd like a calendar invite.

Internal Team

• Thanks for your collaboration on this.

• Let's touch base after you’ve reviewed.

• I’ll take it from here — thanks!

• Keep me posted on next steps.

• Let me know if you spot anything.

• Thanks for leading this effort.

Formal Business

• I appreciate your prompt attention to this matter.

• Please don’t hesitate to reach out.

• I look forward to your formal approval.

• I remain at your disposal for further information.

• Many thanks for your continued partnership.

• I await your confirmation.

How Mailbutler Improves Closing Lines

Mailbutler helps you craft and automate effective closings with:

• Email Templates — save and reuse your best lines.

• AI Email Assistant — draft complete, polished responses automatically

• Smart Send Later — time emails strategically

Mailbutler's message templates, AI writer, and scheduling feature

How to Choose the Right Closing Line

Choose based on:

• Goal: Need a reply → use an action‑oriented line.

• Tone: Formal vs. casual.

• Relationship: New contact vs. colleague.

• Context: Follow‑up vs. initial outreach.

Fact nugget: Email remains a core workplace channel—86% of professionals prefer email for work communication—so tailoring your closing line is essential.

FAQ

Do closing lines really affect reply rates?

Yes — gratitude-based closings perform best, achieving 65.7% response rates.

Are positive closings better?

Yes. Showing appreciation increases positive impressions and reply likelihood.

Why should I tailor my closing line?

Because communication quality influences productivity; effective communication correlates with a 20–25% productivity increase.

Community discussions about email closing lines

From a thread titled “What are your favorite email closing lines?” (on r/therapists)

I always use ‘best’. … ‘Talk soon’ and ‘with care’ are my two main ones.

From a thread titled “Anybody feel awkward about email closings?” (on r/socialskills)

I often close my emails with ‘thank you’ because it is the best closing I can think of but am afraid it seems entitled or assuming…

From a thread titled “Closing salutations in emails. Best? Worst? Should they be used???” (on r/office)

I usually end with Regards or Best Regards depending on the person. Or just Thanks.

From a thread titled “What closing phrase do you use when replying to customer emails?” (on r/ecommerce)

“Cheers” was the highest‑voted response when people shared what they use in customer email replies.

From a thread titled “Looking for input on professional email etiquette” (on r/etiquette)

Usually use ‘Thanks!’ followed by signature … stick with warm regards … Thank you for your time/help.

Conclusion & Key Takeaways

• Gratitude-focused closing lines outperform all others.

• Choose closing lines that match tone, goal, and context.

• Email remains the dominant workplace communication channel.

• With Mailbutler you can quickly write polished emails with AI, save reusable templates, and scheduling messages for the right moment.