To whomever took my lunch from the fridge,

I hope you enjoyed the {food}. I spent a good portion of last night prepping and cooking so I could have a nice meal without having to step out of the office today. Thank you for being so considerate of your co-workers.

Sincerely,
{Your Name}

Dear {Hiring Manager},

Thank you so much for speaking with me today about the {job title} role at {company}. I'm confident that my background in {area of expertise} makes me a good fit for the job.

As I mentioned in our conversation, {elaborate on relevant skills/achievements}. I'm excited about the opportunity to bring my {experience in/proven track record of what you do best} to {company}.

Please don't hesitate to get in touch if you have any additional questions for me. Thank you again for your time and consideration. I hope to hear from you soon.

Sincerely,
{Your Name}
{Your contact information}

Dear {Recipient},

Thank you for the reference you gave to {company}. I just received a call from the {hiring manager/owner} letting me know that I got the job. I'm sure your reference played a huge role in this. I really appreciate your support.

Best,
{Your Name}

Dear {Hiring Manager},

Thank you for letting me know your decision regarding the {job title} position. While I'm disappointed to learn that I was not selected, I greatly appreciate the opportunity to speak with you and learn more about {company}.

I hope that you'll keep me in mind for future openings. I would also be interested in any feedback you may have regarding my application and interview.

Thank you again for your time. I wish you and everyone at {company} all the best.

Sincerely,
{Your Name}

Dear {Customer},

Thank you for taking the time to share your experience with {service/product}. Your feedback will enable us to serve you better.

Please feel free to reply to this email if you have any further comments or questions.

Sincerely,
{Your Name}

Dear {Recipient},

I am writing to express my gratitude again for {item/gesture}. I know I already sent you a thank you note on {date}, but your {kindness/thoughtfulness} has really had a big impact on me.

{Elaborate on why you're thankful for what they did}.

So, thank you once more.

Best,
{Your Name}

Dear {Recipient},

Words can't begin to describe how thankful I am for {item/gesture}. Your {support/kindness/generosity} really means a lot to me.

{Elaborate on why you're thankful for what they did}. I am truly {blessed/lucky} to have a {friend/spouse/sibling/etc.} like you.

Warmly,
{Your Name}

Hi {Recipient},

Thank you for your apology. I'm sorry I {what you did to the other person}. Let's bury the hatchet and move on!

Take care,
{Your Name}

Dear {Retiree},

{Company} wouldn't be the same without you—you've been largely responsible for {impact they made in the office}. Thank you for {number of} years of service and commitment.

We wish you the very best. Enjoy your retirement!

Warm regards,
{Your Name}

Dear {Recipient},

Thank you so much for covering for me while I was {reason for your absence}. To be honest, I wasn't surprised to come back to {an organized desk/zero missed deadlines/etc.}. I know that my work was in capable hands.

I will be more than happy to return the favor should the opportunity arise. Thanks again!

Best,
{Your Name}

Dear {Recipient},

Thank you for the reference letter you wrote to {company} on my behalf. I'm scheduled for an interview on {date} and I'm sure your endorsement helped me stand out among the other applicants. I'll let you know how it goes. Thanks again!

Sincerely,
{Your Name}