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All CollectionsCold Outreach 2.0 by pipl.aiCold Email Copywriting
70+ Best Cold Email Subject Lines to Increase Your Response Rate
70+ Best Cold Email Subject Lines to Increase Your Response Rate
Pipl.ai Support Team avatar
Written by Pipl.ai Support Team
Updated over 6 months ago

The Importance of Subject Lines Subject lines are pivotal in determining whether an email gets opened. They act as the first point of contact, making it essential to craft them effectively to ensure higher open rates and engagement.

Key Strategies for Crafting Compelling Subject Lines

  1. Personalization Personalizing subject lines can significantly boost open rates. Using the recipient's name or company can make the email feel more relevant and tailored.

    • Examples:

      • “John, insights specifically for [Company Name]”

      • “Hi Sarah, a quick question about your sales strategy”

  2. Curiosity and Urgency Creating a sense of curiosity or urgency can prompt recipients to open the email to find out more. This can be achieved by posing a question or indicating time sensitivity.

    • Examples:

      • “Only 3 spots left – secure your seat now!”

      • “Do you know what’s missing in your sales strategy?”

  3. Benefit-Oriented Highlighting the benefits or value the recipient will gain from reading the email can encourage them to open it.

    • Examples:

      • “Increase your sales by 20% with this strategy”

      • “How to save 5 hours a week with our tool”

  4. Questions Asking a question can engage the recipient and make them curious about the answer, prompting them to open the email.

    • Examples:

      • “Are you struggling with lead generation?”

      • “What if you could double your productivity?”

  5. Social Proof and Testimonials Using testimonials or mentioning well-known clients can add credibility and intrigue, encouraging the recipient to learn more.

    • Examples:

      • “See how [Famous Client] boosted their sales”

      • “Join 1,000+ happy customers who use our service”

  6. Straightforward and Clear Sometimes, being direct and clear about what the email contains can be the most effective approach, especially if the content is valuable and relevant.

    • Examples:

      • “Free guide to mastering sales pitches”

      • “Your monthly performance report is ready”

Ultimate list of 150+ Subject Lines that yield 65%+ Open Rate

  1. Congratulations on [Event Name]!

  2. [First Name], do you have 5 mins?

  3. [First Name], here’s how you can crush Q3 goals

  4. Reaching out to a fellow [University] alumni

  5. [First Name], have you been taking care of your mental health?

  6. [First Name], I have a question about your recent article

  7. [Mutual Connection] recommended we connect, [First Name]

  8. Hi [First Name], can I help with [Prospect’s Industry]?

  9. [First Name], a solution to your [Prospect’s Pain Point]

  10. [First Name], I have an idea to boost [Prospect’s Interest]

  11. [First Name], let’s amplify [Prospect’s Company] in 10 minutes

  12. [Referral Name] referred me to you, [First Name]

  13. We share [insert common interest], [First Name]!

  14. So nice to meet you, [First Name] – let’s connect.

  15. Feeling overwhelmed, [First Name]? Let me assist you.

  16. Hoping to collaborate with [First Name] on [their goal]

  17. [First Name], let’s discuss your recent article.

  18. [First Name], ready to dive into [topic]?

  19. [First Name], a thought on your recent article

  20. [First Name], let’s conquer those Q1 milestones!

  21. [First Name], elevate your [specific goal] with us.

  22. [First Name], time for a [topic] discussion.

  23. [First Name], a quick request about [their recent activity].

  24. [First Name], a [benefit] tailored for [Their Company Name].

  25. [First Name], ready for a [topic] conversation?

  26. Helping [prospect’s company type] with [common issue] — could your company benefit, [First Name]?

  27. Say goodbye to [pain point], [First Name]

  28. Are you financially responsible for a pet?

  29. Is it time to open a new business location?

  30. Can you afford to move out?

  31. How safe is your neighborhood?

  32. Have you heard about [subject]?

  33. Thoughts on [subject]?

  34. 10 minutes next week?

  35. Should you monitor your remote employees?

  36. Have you been feeling [emotion]?

  37. Can you meet on [Day]?

  38. Is your ego sabotaging your small business?

  39. Should your business accept cryptocurrency?

  40. What do your dreams mean?

  41. Is it time to scale your business?

  42. How much should entrepreneurs pay themselves?

  43. Are you using AI in your business?

  44. Have you considered investing in sustainability?

  45. Is your social media strategy yielding results?

  46. How’s your team’s morale these days?

  47. Is your website optimized for mobile users?

  48. What’s your plan for the upcoming holiday season?

  49. Is your cybersecurity up to date?

  50. Are you keeping up with industry trends?

  51. Are you leveraging data analytics for growth?

  52. How do you handle customer feedback?

  53. Are you satisfied with your current software?

  54. What’s your strategy for customer retention?

  55. Science-backed benefits of napping at work

  56. Self-care isn’t just for Sunday

  57. Study: Your steering wheel is 4X dirtier than a public toilet seat

  58. +[XX]% in revenue for businesses that add this to their site

  59. EXCLUSIVE: You’ve been invited to…

  60. Did you hear what happened?

  61. Only X weeks left to achieve [goal]

  62. Breaking down the myths of [topic]

  63. Maximize your [specific metric] with these tips

  64. The missing piece to your [challenge]

  65. New horizons in [industry] – stay informed

  66. Unlock the potential of [new tool/technology]

  67. A fresh perspective on [common challenge]

  68. Mastering [specific skill] in no time

  69. The roadmap to achieving [specific goal]

  70. Your invitation to the ultimate [event]

  71. Discover the surprising benefits of midday breaks

  72. Revolutionize your workspace with these tips

  73. Out with the old: A fresh approach for success

  74. Supercharge your [task your prospect cares about]

  75. Tripling ROI in just 30 days: Let’s dive in

  76. I promise there are no cat videos in this email

  77. Get personal with [Product’s] latest breakthrough

  78. Saying goodbye to [pain point] once and for all

  79. Uncover the secret to [desired outcome]

  80. Don’t miss out on [exclusive opportunity]

  81. It’s time to [benefit] – let’s get started!

  82. How the recession is affecting your industry

  83. 12 inspirational books on cancer to read in 2020

  84. How to reduce waste this holiday season

  85. Friendsgiving decor + hosting idea

  86. Kid’s end-of-summer bucket list ideas

  87. 5 kindness calendars for the New Year

  88. 4th of July historical dessert party printables

And here are some additional ideas you can incorporate:

  1. Act fast – limited spots available for [opportunity]

  2. Don’t procrastinate – [action] before it’s gone

  3. Act now – time-sensitive opportunity inside

  4. Hurry, limited supply available now

  5. Wednesday Wisdom: Don’t miss this insight

  6. Stay informed: latest updates on [current event]

  7. Warm wishes for a joyful [Holiday] season

  8. Discover [Year] holiday trends and traditions

  9. Your [current event] guide for [Year]

  10. Stay safe and informed: [Event] updates

  11. Holiday greetings from our team at [Your Company]

  12. Ring in the new year with [Product/Service Name]

  13. Get ready for [Upcoming Event] – reserve your spot!

  14. Holiday cheers: [Year] in review

  15. New opportunities await amid [current event]

  16. Addressing [current event] concerns: our solutions

  17. Embracing change: [current event] and your [benefit]

  18. Stay ahead in [current event] times with [your solution]

  19. Making sense of [current event] – let us guide you

  20. Friday updates: End of week recap

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