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38 Sales Email Subject Lines For Higher Opens in 2023

Seeking effective sales email subject lines to boost open rates? Look no further! This page will give you the best email subject lines for 2023.

#1.

Limited time offer: Supercharge your business today!

Urgent
Using CTA
All

Why this subject line works?

The subject line is highly compelling and impactful. It promises to help companies grow exponentially with innovative solutions, creating a sense of urgency with the phrase "Act now!" This sense of ur [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#2.

Get ready to be mind-blown by [topic] facts!

Funny
Driving Curiosity
SaaS

Why this subject line works?

The subject line creates anticipation and excitement through the use of the phrase "mind-blown" and promises interesting facts related to a specific topic. It captures attention and instills curiosity [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#3.

Looking for answers? Unlock the mysteries with this info!

Funny
Asking a question
SaaS

Why this subject line works?

The subject line employs curiosity and offers a solution to a problem, enticing recipients to open the email. By emphasizing the ability to "unlock mysteries" through the provided information, it crea [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#4.

Discover the secret to success in just 5 minutes!

Emotional
Using CTA
SaaS

Why this subject line works?

The subject line creates curiosity and offers a quick solution to achieving success. By suggesting that success can be attained within a short time frame of just 5 minutes, it appeals to recipients' d [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#5.

Stay informed: Your guide to essential [Topic]

Professional
Using CTA
SaaS

Why this subject line works?

The subject line is highly effective as it immediately highlights the value proposition of the email - providing essential information and guidance on a specific topic. The use of "Stay informed" crea [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#6.

Time-sensitive: Critical information you need ASAP

Urgent
Driving Curiosity
SaaS

Why this subject line works?

The subject line is highly effective in conveying a sense of urgency and importance. By using phrases like "time-sensitive" and "critical information," it grabs the recipient's attention and indicates [Read more...]


CLARITY14/20
Appeal18/20
ENGAGEMENT15/20

#7.

Is it true? Your service will solve all my problems?

Funny
Asking a question
SaaS

Why this subject line works?

The subject line creates curiosity through asking a question and promising a solution to the recipient's problems. This approach piques interest and encourages the recipient to open the email to find [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#8.

Curiosity piqued: Tell me more about your offerings.

Professional
Driving Curiosity
SaaS

Why this subject line works?

The subject line grabs attention by using the phrase "curiosity piqued," immediately sparking interest in the recipient. It entices the reader to learn more about the offerings, creating a sense of in [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#9.

Is Our Delivery Van Moonlighting as a Race Car?

Funny
Asking a question
Manufacturing

Why this subject line works?

The subject line poses an intriguing question that piques the recipient's curiosity. By referencing a delivery van and a race car, it creates a sense of excitement and mystery, increasing open rates. [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#10.

Unload like a pro! Get your logistics masterclass now!

Funny
Using CTA
Manufacturing

Why this subject line works?

The subject line is action-oriented, captivating recipients with a sense of excitement and urgency. It suggests an opportunity to learn and improve logistics skills by attending a masterclass. The use [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#11.

Unlock Your Logistics Potential

Emotional
Driving Curiosity
Manufacturing

Why this subject line works?

The subject line effectively captures attention by using strong words like "efficiency amplified" and "streamline". It also creates a sense of urgency by emphasizing the need to take action "today". T [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#12.

Streamline your logistics process for maximum efficiency!

Emotional
Using CTA
Manufacturing

Why this subject line works?

The subject line effectively communicates the benefit of streamlining the logistics process to maximize efficiency. It uses strong action words like "streamline" and "maximum" to grab the recipient's [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#13.

Boost logistics with our tools! Act now.

Urgent
Using CTA
Manufacturing

Why this subject line works?

The subject line is urgent and action-oriented, grabbing the recipient's attention. It promises to transform logistics with the use of their tools, creating a sense of value and importance. The call t [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#14.

Did someone hide our appointment? 😲

Funny
Driving Curiosity
All

Why this subject line works?

The subject line generates curiosity and intrigue by suggesting that an appointment may have been hidden. The use of an emoji adds an element of surprise and compels the recipient to open the email to [Read more...]


CLARITY12/20
Appeal18/20
ENGAGEMENT20/20

#15.

Did the sky really fall? We missed you!

Funny
Asking a question
All

Why this subject line works?

The subject line captures the recipient's attention by using a playful and intriguing question, creating curiosity. The mention of "we missed you" adds a personal touch, making the reader feel valued. [Read more...]


CLARITY15/20
Appeal17/20
ENGAGEMENT14/20

#16.

No-show: Time travel to future? Let's chat!

Funny
Using CTA
All

Why this subject line works?

The subject line is intriguing and engaging, piquing the recipient's curiosity about time travel. The use of "no-show" adds a sense of urgency, making the email seem like a missed opportunity. The inv [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#17.

Urgent: Reschedule now to avoid no-show

Urgent
Using CTA
All

Why this subject line works?

The subject line effectively conveys a sense of urgency and highlights the importance of rescheduling to prevent a potential no-show. The use of the word "urgent" captures immediate attention, while t [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#18.

Don't miss out: Read now before it's too late!

Funny
Driving Curiosity
Legal

Why this subject line works?

The subject line is highly effective in creating a sense of exclusivity and urgency. The use of "Exclusive Insider Info" immediately grabs attention and entices the recipient to open the email. The in [Read more...]


CLARITY14/20
Appeal14/20
ENGAGEMENT16/20

#19.

Notice: Important Updates – Take immediate action

Professional
Using CTA
Legal

Why this subject line works?

The subject line is attention-grabbing and urgent, using the keywords "Notice" and "Important Updates" to convey the necessity for immediate action. This creates a sense of urgency in the recipient, c [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#20.

Important Notice: Immediate Response Required

Urgent
Using CTA
Legal

Why this subject line works?

The subject line effectively conveys urgency and importance by using the words "Important" and "Immediate Response Required." This prompts recipients to pay attention and take action quickly. The conc [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#21.

Want to join the coolest club in town, [Name]?

Funny
Asking a question
All

Why this subject line works?

The subject line appeals to the recipient's desire for inclusivity and exclusivity, creating a sense of FOMO (fear of missing out) by referring to the coolest club in town. By personalizing the subjec [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#22.

Ready to level up? Discover exciting opportunities inside!

Funny
Using CTA
All

Why this subject line works?

The subject line is intriguing and engaging, appealing to recipients' curiosity and desire for personal growth. By using terms like "level up" and "exciting opportunities," it creates a sense of antic [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#23.

Discover the Secret to Success in Just One Email

Urgent
Using CTA
All

Why this subject line works?

The subject line is intriguing, promising a secret to success in just one email. It taps into the recipient's desire for quick results and offers an element of curiosity. The use of "Discover" and the [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#24.

Inquiry: Your Expertise Wanted

Professional
Driving Curiosity
Services

Why this subject line works?

The subject line indicates a specific purpose, seeking insight on a specific issue. The use of "Your Expertise Requested" adds a personal touch and creates a sense of importance. It is likely to appea [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#25.

Need clarification: [specific topic] info request

Professional
Using CTA
Services

Why this subject line works?

The subject line effectively conveys a sense of urgency by using the word "need" and "clarification," indicating that immediate action is required. The addition of "[specific topic] info request" make [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#26.

Price quotes: How much for a camel that can moonwalk?

Funny
Asking a question
SaaS

Why this subject line works?

This subject line is highly intriguing and engaging, capturing the recipient's attention with the mention of camel moonwalking. It also effectively communicates the purpose of the email, which is to p [Read more...]


CLARITY9/20
Appeal18/20
ENGAGEMENT16/20

#27.

Ever wondered how much a unicorn petting zoo would cost?

Funny
Asking a question
SaaS

Why this subject line works?

The subject line is attention-grabbing and intriguing. It piques curiosity by posing a whimsical question about the cost of a unicorn petting zoo. This subject line is likely to generate high open rat [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#28.

Price quotes: Get 'em while they're hot!

Funny
Using CTA
SaaS

Why this subject line works?

The subject line is attention-grabbing and creates a sense of urgency with the phrase "Get 'em while they're hot!" It effectively communicates that price quotes are available but emphasizes the need t [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#29.

Ready to save big? Get your personalized quote now!

Emotional
Driving Curiosity
SaaS

Why this subject line works?

The subject line creates a sense of excitement and urgency, drawing attention to the opportunity for significant savings. The inclusion of "personalized quote" suggests a tailored and exclusive offer, [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#30.

What's the price? We need a quote ASAP!

Emotional
Asking a question
SaaS

Why this subject line works?

The subject line is highly effective as it creates a sense of urgency and shows the recipient's need for a quick response. The use of "ASAP" adds urgency, while the question format grabs attention and [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#31.

Calling all superheroes! 🦸🏻‍♂️ Action required!

Funny
Using CTA
HR

Why this subject line works?

The subject line is attention-grabbing and engaging with the use of superhero emoji and a call to action. It creates a sense of urgency and prompts recipients to take action, increasing the likelihood [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#32.

Action Requested: Your immediate attention is needed

Professional
Using CTA
HR

Why this subject line works?

The subject line is compelling and urgent, demanding immediate attention from the recipient. The use of "Action Requested" adds a sense of urgency and the phrase "Your immediate attention is needed" e [Read more...]


CLARITY14/20
Appeal18/20
ENGAGEMENT16/20

#33.

Deadline approaching - seeking urgent response

Urgent
Asking a question
HR

Why this subject line works?

The subject line effectively conveys urgency and the need for an urgent response with the mention of a approaching deadline. The recipient is likely to prioritize opening and responding to the email t [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#34.

Imagine a world where... [Join the speculation]

Emotional
Driving Curiosity
All

Why this subject line works?

The subject line is intriguing and fosters curiosity by inviting recipients to imagine a different world. The use of ellipsis adds a sense of suspense, while the phrase "Join the speculation" further [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#35.

Take Advantage: New Opportunities in [Topic]

Professional
Using CTA
SaaS

Why this subject line works?

The subject line is compelling and action-oriented, urging the recipient to "Take Advantage" of new opportunities. The use of brackets allows for personalization by filling in the relevant topic. It c [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#36.

Urgent update: Action required now!

Urgent
Using CTA
SaaS

Why this subject line works?

The subject line is highly urgent and direct, indicating that immediate action is necessary. By using strong language and emphasizing the need for action, it creates a sense of urgency and compels the [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#37.

Game changer! [Product/Service] will supercharge your life!

Funny
Using CTA
SaaS

Why this subject line works?

The subject line effectively captures attention by promising to boost the recipient's life with a game-changing product or service. The use of strong, positive language creates curiosity and excitemen [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#38.

Ready to Outperform Your Competitors? Let's Talk

Professional
Asking a question
All

Why this subject line works?

The subject line is intriguing and enticing, creating a sense of curiosity and motivation to open the email. The question format engages the recipient and suggests the possibility of gaining a competi [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#1.

Limited time offer: Supercharge your business today!

Urgent
Using CTA
All

Why this subject line works?

The subject line is highly compelling and impactful. It promises to help companies grow exponentially with innovative solutions, c [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#2.

Get ready to be mind-blown by [topic] facts!

Funny
Driving Curiosity
SaaS

Why this subject line works?

The subject line creates anticipation and excitement through the use of the phrase "mind-blown" and promises interesting facts rel [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#3.

Looking for answers? Unlock the mysteries with this info!

Funny
Asking a question
SaaS

Why this subject line works?

The subject line employs curiosity and offers a solution to a problem, enticing recipients to open the email. By emphasizing the a [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#4.

Discover the secret to success in just 5 minutes!

Emotional
Using CTA
SaaS

Why this subject line works?

The subject line creates curiosity and offers a quick solution to achieving success. By suggesting that success can be attained wi [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#5.

Stay informed: Your guide to essential [Topic]

Professional
Using CTA
SaaS

Why this subject line works?

The subject line is highly effective as it immediately highlights the value proposition of the email - providing essential informa [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#6.

Time-sensitive: Critical information you need ASAP

Urgent
Driving Curiosity
SaaS

Why this subject line works?

The subject line is highly effective in conveying a sense of urgency and importance. By using phrases like "time-sensitive" and "c [Read more...]


CLARITY14/20
Appeal18/20
ENGAGEMENT15/20

#7.

Is it true? Your service will solve all my problems?

Funny
Asking a question
SaaS

Why this subject line works?

The subject line creates curiosity through asking a question and promising a solution to the recipient's problems. This approach p [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#8.

Curiosity piqued: Tell me more about your offerings.

Professional
Driving Curiosity
SaaS

Why this subject line works?

The subject line grabs attention by using the phrase "curiosity piqued," immediately sparking interest in the recipient. It entice [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#9.

Is Our Delivery Van Moonlighting as a Race Car?

Funny
Asking a question
Manufacturing

Why this subject line works?

The subject line poses an intriguing question that piques the recipient's curiosity. By referencing a delivery van and a race car, [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#10.

Unload like a pro! Get your logistics masterclass now!

Funny
Using CTA
Manufacturing

Why this subject line works?

The subject line is action-oriented, captivating recipients with a sense of excitement and urgency. It suggests an opportunity to [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#11.

Unlock Your Logistics Potential

Emotional
Driving Curiosity
Manufacturing

Why this subject line works?

The subject line effectively captures attention by using strong words like "efficiency amplified" and "streamline". It also create [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#12.

Streamline your logistics process for maximum efficiency!

Emotional
Using CTA
Manufacturing

Why this subject line works?

The subject line effectively communicates the benefit of streamlining the logistics process to maximize efficiency. It uses strong [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#13.

Boost logistics with our tools! Act now.

Urgent
Using CTA
Manufacturing

Why this subject line works?

The subject line is urgent and action-oriented, grabbing the recipient's attention. It promises to transform logistics with the us [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#14.

Did someone hide our appointment? 😲

Funny
Driving Curiosity
All

Why this subject line works?

The subject line generates curiosity and intrigue by suggesting that an appointment may have been hidden. The use of an emoji adds [Read more...]


CLARITY12/20
Appeal18/20
ENGAGEMENT20/20

#15.

Did the sky really fall? We missed you!

Funny
Asking a question
All

Why this subject line works?

The subject line captures the recipient's attention by using a playful and intriguing question, creating curiosity. The mention of [Read more...]


CLARITY15/20
Appeal17/20
ENGAGEMENT14/20

#16.

No-show: Time travel to future? Let's chat!

Funny
Using CTA
All

Why this subject line works?

The subject line is intriguing and engaging, piquing the recipient's curiosity about time travel. The use of "no-show" adds a sens [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#17.

Urgent: Reschedule now to avoid no-show

Urgent
Using CTA
All

Why this subject line works?

The subject line effectively conveys a sense of urgency and highlights the importance of rescheduling to prevent a potential no-sh [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#18.

Don't miss out: Read now before it's too late!

Funny
Driving Curiosity
Legal

Why this subject line works?

The subject line is highly effective in creating a sense of exclusivity and urgency. The use of "Exclusive Insider Info" immediate [Read more...]


CLARITY14/20
Appeal14/20
ENGAGEMENT16/20

#19.

Notice: Important Updates – Take immediate action

Professional
Using CTA
Legal

Why this subject line works?

The subject line is attention-grabbing and urgent, using the keywords "Notice" and "Important Updates" to convey the necessity for [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#20.

Important Notice: Immediate Response Required

Urgent
Using CTA
Legal

Why this subject line works?

The subject line effectively conveys urgency and importance by using the words "Important" and "Immediate Response Required." This [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#21.

Want to join the coolest club in town, [Name]?

Funny
Asking a question
All

Why this subject line works?

The subject line appeals to the recipient's desire for inclusivity and exclusivity, creating a sense of FOMO (fear of missing out) [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#22.

Ready to level up? Discover exciting opportunities inside!

Funny
Using CTA
All

Why this subject line works?

The subject line is intriguing and engaging, appealing to recipients' curiosity and desire for personal growth. By using terms lik [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#23.

Discover the Secret to Success in Just One Email

Urgent
Using CTA
All

Why this subject line works?

The subject line is intriguing, promising a secret to success in just one email. It taps into the recipient's desire for quick res [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#24.

Inquiry: Your Expertise Wanted

Professional
Driving Curiosity
Services

Why this subject line works?

The subject line indicates a specific purpose, seeking insight on a specific issue. The use of "Your Expertise Requested" adds a p [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#25.

Need clarification: [specific topic] info request

Professional
Using CTA
Services

Why this subject line works?

The subject line effectively conveys a sense of urgency by using the word "need" and "clarification," indicating that immediate ac [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#26.

Price quotes: How much for a camel that can moonwalk?

Funny
Asking a question
SaaS

Why this subject line works?

This subject line is highly intriguing and engaging, capturing the recipient's attention with the mention of camel moonwalking. It [Read more...]


CLARITY9/20
Appeal18/20
ENGAGEMENT16/20

#27.

Ever wondered how much a unicorn petting zoo would cost?

Funny
Asking a question
SaaS

Why this subject line works?

The subject line is attention-grabbing and intriguing. It piques curiosity by posing a whimsical question about the cost of a unic [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#28.

Price quotes: Get 'em while they're hot!

Funny
Using CTA
SaaS

Why this subject line works?

The subject line is attention-grabbing and creates a sense of urgency with the phrase "Get 'em while they're hot!" It effectively [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#29.

Ready to save big? Get your personalized quote now!

Emotional
Driving Curiosity
SaaS

Why this subject line works?

The subject line creates a sense of excitement and urgency, drawing attention to the opportunity for significant savings. The incl [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#30.

What's the price? We need a quote ASAP!

Emotional
Asking a question
SaaS

Why this subject line works?

The subject line is highly effective as it creates a sense of urgency and shows the recipient's need for a quick response. The use [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#31.

Calling all superheroes! 🦸🏻‍♂️ Action required!

Funny
Using CTA
HR

Why this subject line works?

The subject line is attention-grabbing and engaging with the use of superhero emoji and a call to action. It creates a sense of ur [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#32.

Action Requested: Your immediate attention is needed

Professional
Using CTA
HR

Why this subject line works?

The subject line is compelling and urgent, demanding immediate attention from the recipient. The use of "Action Requested" adds a [Read more...]


CLARITY14/20
Appeal18/20
ENGAGEMENT16/20

#33.

Deadline approaching - seeking urgent response

Urgent
Asking a question
HR

Why this subject line works?

The subject line effectively conveys urgency and the need for an urgent response with the mention of a approaching deadline. The r [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#34.

Imagine a world where... [Join the speculation]

Emotional
Driving Curiosity
All

Why this subject line works?

The subject line is intriguing and fosters curiosity by inviting recipients to imagine a different world. The use of ellipsis adds [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#35.

Take Advantage: New Opportunities in [Topic]

Professional
Using CTA
SaaS

Why this subject line works?

The subject line is compelling and action-oriented, urging the recipient to "Take Advantage" of new opportunities. The use of brac [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#36.

Urgent update: Action required now!

Urgent
Using CTA
SaaS

Why this subject line works?

The subject line is highly urgent and direct, indicating that immediate action is necessary. By using strong language and emphasiz [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#37.

Game changer! [Product/Service] will supercharge your life!

Funny
Using CTA
SaaS

Why this subject line works?

The subject line effectively captures attention by promising to boost the recipient's life with a game-changing product or service [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

#38.

Ready to Outperform Your Competitors? Let's Talk

Professional
Asking a question
All

Why this subject line works?

The subject line is intriguing and enticing, creating a sense of curiosity and motivation to open the email. The question format e [Read more...]


CLARITY16/20
Appeal16/20
ENGAGEMENT14/20

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