Resignation Letter Format: Email vs Printed

When Email Is Acceptable

Email resignations were once considered informal or even disrespectful. That has changed. In most modern workplaces, especially those that operate primarily through digital communication, an email resignation is perfectly acceptable and often preferred.

Email is the right choice when:

Your company communicates primarily through email. If your daily work lives in your inbox and you rarely exchange physical documents, a printed letter would feel out of place.
You work remotely. Handing someone a physical letter when you are 800 miles away is impractical. Email is the natural format for remote resignations.
Your company has a digital HR process. Many companies ask you to submit resignation through an HR portal or email a specific address. Follow their process.
Speed matters. If you need to get your resignation on record quickly (for example, after a verbal conversation with your boss), email creates an immediate, timestamped record.
Your workplace culture is informal. Startups, tech companies, creative agencies, and other informal workplaces rarely expect printed business letters for internal communication.

The key advantage of email is documentation. It creates an automatic record of when you sent it, who received it, and exactly what it said. You do not need to worry about whether the letter was received or when it was opened (though read receipts can help with the latter).

One caveat: even when email is the right delivery method, you should still have a verbal conversation with your manager first. The email formalizes what you have already discussed in person or by video call.

When a Printed Letter Matters

There are still situations where a printed letter carries weight that email does not. A physical document signals formality, intention, and permanence in ways that a digital message cannot fully replicate.

A printed letter makes sense when:

You work in a traditional industry. Law firms, government agencies, financial institutions, and established corporations sometimes expect the formality of a printed letter. If you are unsure, look at how other departures have been handled.
Your employment contract references "written notice." While courts generally accept email as written notice, a printed letter on paper removes any ambiguity about what "written" means in your specific agreement.
You want to make a deliberate impression. A printed letter, signed in ink, signals that you took the time to prepare a formal document. In some professional cultures, that gesture of respect matters.
You are hand-delivering the letter to your manager. If you plan to have a conversation and then leave the letter behind, a printed copy is the natural format. Handing someone a laptop and saying "check your inbox" does not have the same weight.
Your company does not use email for formal HR processes. Some organizations, particularly in manufacturing, healthcare, or trades, have administrative processes that revolve around paper documents.

If you go with a printed letter, make a copy for yourself. Unlike email, a printed letter has no automatic backup. You want a record of exactly what you submitted.

Email Subject Lines for Resignation Letters

Your email subject line should be straightforward and professional. The recipient should know immediately what the email is about without opening it.

Good subject lines:

"Resignation, [Your Full Name], Effective [Date]"
"Notice of Resignation, [Your Name]"
"Formal Resignation, [Your Name], [Your Title]"

Subject lines to avoid:

"I quit" (too casual, too blunt)
"Important message" (vague and anxiety-inducing)
"Moving on" (unclear)
"My resignation :(" (emoticons do not belong in formal communications)
No subject line at all (it looks careless)

The subject line is functional. Its job is to identify the email as a resignation so it can be filed and processed correctly. HR may search for it by keyword later. Keep it clear and consistent.

Who to Send It To

Send the email to your direct manager as the primary recipient. CC your HR department or HR contact if your company has one. If you are unsure whether to include HR, err on the side of including them. They need to process your departure regardless.

Do not CC your entire team, the CEO (unless they are your direct report), or anyone outside the company. The resignation goes to the people who need to act on it: your manager and HR.

If your manager and the company owner are the same person (common at small companies), the email goes to them alone, with a CC to whoever handles payroll or administration.

Formatting a Resignation as a Business Letter

If you are going the printed route, use standard business letter formatting. This is not about being stuffy. It is about creating a document that looks professional and reads clearly when it ends up in your personnel file.

Your contact information goes at the top: your name, address, phone number, and email. Some people skip the address for internal correspondence, and that is fine.

The date goes below your contact information.

The recipient's information comes next: your manager's name, their title, the company name, and the company address.

The salutation: "Dear [Manager's Name]," is standard. If you have a formal relationship, use "Mr./Ms. [Last Name]." If your relationship is less formal, first names are fine.

The body: Three to four paragraphs. State your resignation, your last day, your gratitude, and your transition offer. Use standard business fonts (Times New Roman, Calibri, or Arial in 11 or 12 point) with one-inch margins.

The closing: "Sincerely," "Best regards," or "Respectfully," followed by your handwritten signature (for printed) and typed name below.

Print it on clean white paper. No letterhead unless you have personal stationery. No colored paper. No decorative fonts. Professional simplicity is the goal.

Email Format Is Simpler

For email resignations, you skip the postal addresses and headers. The email itself provides the sender information, date, and recipient. The body of the email follows the same structure as a printed letter: resignation statement, last day, gratitude, transition offer, sign-off.

One difference: email sign-offs are slightly less formal. "Best, [Your Name]" or "Thank you, [Your Name]" works well for email where "Sincerely, [Your Name]" might feel overly stiff.

Include your phone number in your email signature block so HR has a way to reach you about administrative details.

Keeping a Copy for Your Records

This is non-negotiable regardless of format. Keep a copy of your resignation letter.

For email: The sent folder creates a copy automatically, but do not rely solely on your work email. Forward a copy to your personal email address or take a screenshot. Once your company email is deactivated, anything in that mailbox may be gone.

For printed letters: Make a photocopy before you sign the original, or print two copies and sign both. Keep the duplicate somewhere safe.

Why this matters:

If there is a dispute about when you gave notice, your copy proves the date.
If your employer claims you did not offer a full notice period, the letter documents your stated last day.
If you need to reference the letter for a future background check or employment verification, you have it on hand.
If your departure involves any complications (final pay disputes, benefits questions, non-compete enforcement), the letter is a key piece of documentation.

Some people also keep a record of how the letter was delivered. For email, the sent timestamp is sufficient. For a printed letter, note the date and time you hand-delivered it, or use certified mail with a return receipt if you are mailing it.

Common Questions About Resignation Letter Format

Can I resign by text message? A text to your manager saying "I quit" is technically a resignation, but it is not professional. Even in very casual workplaces, a text is too informal for something that belongs in your permanent employment record. If you need to resign urgently and email is not an option, a text can serve as initial notice, but follow up with a proper email or letter the same day.

What about resigning through Slack or Teams? Similar to text. You can mention your resignation in a direct message to your manager, but follow up with an email. Workplace messaging platforms are not designed for formal HR documentation, and messages can be deleted or lost in the noise.

Should I use a resignation letter template? Templates are fine as a starting point, but customize the content to your situation. A completely generic template feels impersonal and misses the opportunity to express genuine gratitude or address specific transition details.

Does formatting really matter? It matters enough to get right, but not enough to stress over. A clean, readable document with proper grammar and a professional tone is all you need. Nobody has ever lost a reference because they used Calibri instead of Times New Roman.

What if my company has a specific resignation form? Fill out their form and submit your letter as well. The form satisfies their process. The letter gives you a personal, documented record of your notice. Both can coexist.

Getting Started

Whether you send your resignation by email or print it on paper, the content matters more than the medium. A clear, professional letter that states your intent, your last day, and a word of thanks does the job in either format.

LetterLotus's resignation letter tool produces a letter that works for both email and print. Answer the questions, and you get a polished result that you can paste into an email or format as a printed business letter, whichever fits your workplace.