Great news! You've found a new job. Or maybe you've simply decided it's time to leave that hellhole of a job you've been suffering through for the last year. Either way, it's time to figure out how to write a resignation letter so you can take the next step in your career.
You're in good company. In August 2026 alone, 3.1 million people in the U.S. quit their jobs, according to the Bureau of Labor Statistics' latest Job Openings and Labor Turnover Survey.
Your reasons for leaving can range from the personal to the financial to the "I just had an epiphany and must quit." Maybe you didn't like your coworkers (because they were, ahem, toxic beings). Maybe you've decided to go freelance full-time. More likely, you've just outgrown your current role.
Whatever the reason, you're confident it's time to move forward. As exciting as that is, it can also be nerve-wracking. How do you (kindly) let your boss know you're leaving? And how do you do it without making it feel personal, or like you're leaving the team in a lurch? To find out, we asked Toni Patterson, a career mentor dedicated to helping women make strategic career choices and transitions.
Here's how to write a resignation letter that hits all the right notes.
Aim for the Right Timing
If you've been hired on a "start immediately" basis, you might not have much wiggle room. But it pays to leave on good terms with your boss and colleagues, and that starts with giving enough notice so nobody is caught off guard. Two weeks is still the standard minimum in the U.S. If you're in a senior role or midway through a big project, offering a bit more goes a long way. Try not to leave in the middle of an "all hands on deck" crunch if you can help it.
More importantly, read your company's formal policies on departures and gauge the office culture, Patterson advises. "Going against these formal or informal notice requirements may mean losing out on your vacation payout or foregoing a glowing reference for the next job," she said.
That vacation payout point deserves a closer look. Federal law doesn't require employers to pay out unused vacation, so it comes down to your state and your company's policy. Some states are stricter. California, for example, requires that all earned, unused vacation be paid out in your final paycheck. Check your handbook (and your state labor department's site) before you pick your last day.
Be Sure You're Really Ready to Quit Your Job
Once something is in writing, there's no real going back. If your secret goal is to nudge your boss into a counteroffer (which may happen), know that your job may not feel as secure afterward. "Once you turned in the letter, you projected to your employer that you're not satisfied and you're not as loyal to your company as they want you to be," Patterson said.
A better alternative? Bring up your concerns in a one-on-one with your manager and see what can change. The gist: don't say "I'm quitting" or "I found another opportunity" unless you're truly ready to go and have something else lined up. (Still on the fence? Work through our stay-or-leave checklist first.)
Look at the Letter as the Start of a Conversation
Your heart may be set on a shiny new gig, but the resignation letter is really a precursor to a bigger conversation. Maybe you've already given your manager an informal heads-up that you're looking around. Or you've heard your department is downsizing, and you want to make your move before you're on the chopping block.
By the time you're writing the letter, you likely have your ducks in a row, and what's left is the formality. "The letter to the boss is meant to start the HR and the transition-my-files processes in motion," Patterson explained. "The letter is meant to be the precursor to a conversation. If there is anything more that you want to say to your boss, you should save it for the in-person conversation."
In practice, that means telling your manager first, live (in person or on a video call), and sending the letter right after. Finding out by email, or worse, from someone else, is the fastest way to sour a goodbye.
Keep It Short, Sweet and Professional
The letter is a formality, so don't recount your whole career at the company. That goes double if you've been there for years. Aim for a formal tone and about three paragraphs, Patterson advises. "Remember that this is going into your HR file, and may be reviewed at some later point if ever you need this employer for a reference," she said.
That's also your cue to skip the complaints. Feedback about a bad manager or a broken process belongs in an exit interview, if anywhere, delivered calmly. The letter stays neutral.
Be Sure to Include:
- The date and who it's addressed to. Usually your direct manager, with HR copied if that's how your company handles it.
- A clear statement that you're resigning. One sentence, no hedging: "I'm writing to let you know I'm resigning from my position as [title]."
- Your last day of work. Spell out the exact date so there's no confusion about your notice period.
- A brief thank-you. One or two specific lines about what you've learned or enjoyed. Genuine beats gushing.
- An offer to help with the handoff. Mention that you'll document your projects or help train whoever steps in.
- Your personal contact information. A personal email address makes it easy for HR to reach you about final pay, benefits, and paperwork after your work account is shut off.
You don't need to say why you're leaving or where you're going. If you want to share that, save it for the conversation.
A Simple Template You Can Adapt
Dear [Manager's name],
I'm writing to let you know that I'm resigning from my position as [job title] at [company]. My last day will be [date]. Thank you for the opportunity to [one specific thing, like "lead the spring product launch" or "grow on this team"].
I've learned a lot here, and I'm grateful for your support. Over the next [two] weeks, I'll make sure my projects are documented and handed off smoothly. Please let me know how I can help with the transition. You can reach me anytime at [personal email].
Best, [Your name]
If you use an AI tool to draft it, treat that as a starting point. Swap in your own specifics so it sounds like you, because your manager will notice a letter that could have been written by anyone.
Tie Up the Practical Loose Ends
Before you hit send, take an hour to sort out the stuff that's harder to deal with once you're gone:
- Benefits: find out when your health insurance ends. If your employer has 20 or more employees, you can usually keep your group coverage for a while through COBRA, though you may have to pay the full premium yourself.
- Final pay: federal law doesn't require your last paycheck right away, but some states do. Know when to expect it and whether it includes any vacation or bonus.
- Your retirement account: note your 401(k) details and vesting schedule so you can decide later whether to roll it over.
- Your files: copy any personal documents (and your own work samples, if your company allows it) off work devices. Don't take anything confidential.
Don't Forget to Send a Thank-You Email to Coworkers
"The company-wide email is basically just a 'farewell and keep in touch' email which is typically sent on your last day of employment," Patterson said. Take a quick moment to write a short note thanking everyone you worked with for the opportunity and the good experiences. Include your personal contact information, like your personal email address, your LinkedIn profile, and, if you wish, your phone number.
Good luck on your next venture. And if you want more smart career moves in your inbox every weekday, sign up for the Girlboss newsletter.
