3 Ways To Fold And Insert A Letter Into An Envelope - WikiHow

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Terms of Use wikiHow is where trusted research and expert knowledge come together. Learn why people trust wikiHow How to Fold and Insert a Letter Into an Envelope PDF download Download Article Explore this Article methods 1 Folding a Letter for a Standard Envelope 2 Folding a Letter for a No. 10 Windowed Envelope 3 Folding a Letter for a Small Business Envelope Other Sections Questions & Answers Video Tips and Warnings Related Articles References Article Summary Reviewed by Tami Claytor

Last Updated: April 15, 2025 Fact Checked

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This article was reviewed by Tami Claytor. Tami Claytor is an Etiquette Coach, Image Consultant, and the Owner of Always Appropriate Image and Etiquette Consulting in New York, New York. With over 20 years of experience, Tami specializes in teaching etiquette classes to individuals, students, companies, and community organizations. Tami has spent decades studying cultures through her extensive travels across five continents and has created cultural diversity workshops to promote social justice and cross-cultural awareness. She holds a BA in Economics with a concentration in International Relations from Clark University. Tami studied at the Ophelia DeVore School of Charm and the Fashion Institute of Technology, where she earned her Image Consultant Certification. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 1,004,973 times.

You may not think that there is anything to know about folding a letter before placing it in an envelope, but this is wrong. There is a certain etiquette that goes along with folding a letter correctly, especially if it is for business purposes. Take time to learn about the different methods of folding a letter before inserting it into an envelope.

Steps

Method 1 Method 1 of 3:

Folding a Letter for a Standard Envelope

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  1. Step 1 Write on the... 1 Write on the envelope. If you are handwriting the recipient’s information on the envelope, do this before you insert the letter so that you don’t leave dents in the paper.
    • If you want your letter to look more professional, you can use your printer to print out the address on the envelope.
    • You should write the recipient’s address on the front of the envelope in the center (e.g. if you are in the US: name, address, city, state, and zip code), as well as the return address (your name, address, city, state, and zip code) in the top left hand corner.
  2. Step 2 Place the letter face up on a table. 2 Place the letter face up on a table. Before you fold the letter, check that the address on the letter and the address on the envelope correspond. Double check that you have signed the letter.
    • The text should be facing up towards you as though you were reading it.
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  3. Step 3 Fold the bottom part of the letter up. 3 Fold the bottom part of the letter up. Take the bottom edge of the page. Fold it up and over so that the bottom edge lines up about one third the way up the page.[1]
    • If you aren’t sure how much this is, take your envelope and place it underneath the middle of your letter to use as a guide.
  4. Step 4 Check that the edges are lined up. 4 Check that the edges are lined up. Before you crease the fold, make sure that the outside edges of the letter all line up perfectly to avoid crooked creases.
    • If the edges aren’t lined up properly, your fold will be crooked and your letter may not fit into the envelope.
    • Once you are sure they are lined up, use your finger to crease the fold carefully.
  5. Step 5 Fold the top part down. 5 Fold the top part down. Now take the top part of the letter and fold it downwards so that there is about half an inch (about 1 cm) of space between the bottom crease and the top (folded down) edge of the letter.[2]
    • Again, use your envelope as a guide if you aren’t sure. When your envelope is lying underneath the letter you can check to make sure that it will fit inside by lining up the top and bottom creases of the letter with the top and bottom of the envelope.
  6. Step 6 Crease the top fold. 6 Crease the top fold. Don’t forget to line up the top part of the fold with the edges of the page. This will give you a nice clean and straight fold.
    • You can hold a ruler sideways between your fingers and slide the thin edge of the ruler along the paper to create a flat and crisp crease if you want to.
  7. Step 7 Insert the letter into the envelope. 7 Insert the letter into the envelope. Take the letter so that the folds face outward, and the top fold coincides with the top of the envelope.[3] Hold the envelope so that the flap of the envelope faces you, and opens towards you. Place the letter carefully into the envelope so as not to dent the page.
    • The recipient should be able to remove the letter and open it without having to turn it right-side up to read it.
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Method 2 Method 2 of 3:

Folding a Letter for a No. 10 Windowed Envelope

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  1. Step 1 Make sure you have formatted the letter correctly. 1 Make sure you have formatted the letter correctly. If you are using an envelope that has a see-through “window" where the recipient’s name and address will show through, it is very important that you have the letter formatted so that this information lines up correctly.[4]
    • To format a business letter, you should first ensure that your margins are set at 1 inch (2.5 cm) on all sides in your word processor. Make sure that you have the text aligned to the left hand side of the page while you are typing the date and the recipient’s address.
    • The letter should be single spaced except for in-between paragraphs. Between paragraphs there should be two spaces. The entire letter should be left aligned.
    • There should be approximately 2 inches (5.1 cm) of blank space from the top of the page to the place where you type the first line of text (the date).
    • Type the date out in full (e.g. April 1, 2016 instead of 4/1/16).
    • Hit enter two times so that you have a blank space between the date and where you will type the recipient’s information.
    • Type the full name of the recipient (e.g. Mr. John Doe), hit enter and type the address of the recipient, hit enter again and type the city, state, and zip code of the recipient.
    • Be sure to include a space between the recipient’s contact information and the salutation.
  2. Step 2 Fold the letter into a “z fold.” 2 Fold the letter into a “z fold.” To take advantage of the window of the envelope, you will need to fold the letter so that the recipient’s name and address face outwards.[5]
    • This version of folding doesn’t afford the same privacy as folding the letter inwards, but it must be folded this way if you want the name and address to show through the window.
    • If the letter contains sensitive information, it may be best to use a standard envelope with no window.
  3. Step 3 Begin with the letter so that the text faces down. 3 Begin with the letter so that the text faces down. Having the text facing down will make it easier to see where the name and address are when you fold it.
    • If you have done this right, you will not be able to read the text of the letter.
  4. Step 4 Arrange the letter so that it is upside down. 4 Arrange the letter so that it is upside down. The letter should be text-side down, but make sure that it is also arranged so that the recipient’s name and address are closest to you.
    • If you have done this right, when you peek underneath the paper, the name and address of the recipient will be the closest thing to you.
  5. Step 5 Fold the top down. 5 Fold the top down. Take the upper third of the paper and fold it down towards you.
    • If you aren’t sure how far that is, you can also align the envelope under the center of the paper to use as a guide.[6]
  6. Step 6 Fold the bottom up. 6 Fold the bottom up. Take the bottom third of the paper and fold it up and away from you.[7]
    • The name and address of the recipient should now be visible to you.
  7. Step 7 Insert the folded letter into the envelope. 7 Insert the folded letter into the envelope. Take the letter so that the recipient’s information faces the front of the envelope. Insert the letter so that the information shows through the window.[8]
    • If you can’t see the recipient’s information, you might have inserted the letter upside down. Remove the letter and turn it around (the recipient’s information should still face the window).
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Method 3 Method 3 of 3:

Folding a Letter for a Small Business Envelope

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  1. Step 1 Check the address. 1 Check the address. Before folding the letter, make sure that the address on the inside of the letter matches with the one that you have written or printed on the envelope.
    • This will help avoid any mixups.
    • Don’t forget to check that you’ve signed the letter.
  2. Step 2 Lay the letter on a table. 2 Lay the letter on a table. Make sure that the text is facing up and towards you. This is your last chance to proofread and double check that you haven’t forgotten anything.
    • For example, have you dated the letter? Are there any spelling or grammar mistakes?
  3. Step 3 Fold the bottom half up. 3 Fold the bottom half up. Take the bottom of the letter and fold it so that it is about half an inch (about 1 cm) from the top of the page.
    • You can place the envelope underneath the letter to use as a guide. Make sure that when you have folded the letter up, it is small enough to fit inside the envelope.
  4. Step 4 Crease the fold. 4 Crease the fold. Make sure to line up all the outside edges of the paper before creasing so that you don’t end up with a crooked fold. If the fold is crooked, your letter may not fit into the envelope.
    • Use a ruler to make the crease nice and sharp. You can do this by holding a ruler sideways and using the thin edge. Slide the edge of the ruler along the letter on the creases so they are nice and flat.
  5. Step 5 Fold the right half of the letter inwards. 5 Fold the right half of the letter inwards. You will now take the right part of the letter and fold it about one third of the way in.
    • Line up the top and bottom edges of the letter and then crease the fold.
  6. Step 6 Fold the left half of the letter inwards. 6 Fold the left half of the letter inwards. Take the other side of the letter and fold it one third of the way in. This will be the same thing that you did with the right side.
    • Line up the top and bottom of the edges so they are perfectly straight before creasing.
  7. Step 7 Turn the letter sideways and insert into the envelope. 7 Turn the letter sideways and insert into the envelope. The last crease you made should go into the bottom of the envelope first. Place it so that the folds face the backside of the envelope.
    • This will make it easy for your recipient to find where to begin unfolding the letter.
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Community Q&A

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  • Question If the letter is more than one page, should I staple it? Community Answer Community Answer No, just fold them together as one sheet. (Place one sheet of paper on top of the other before folding them.) Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 5 Helpful 41
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Video

Tips

  • Proofread your letter before inserting it into the envelope. This way, you’ll avoid any embarrassing mistakes. Thanks Helpful 13 Not Helpful 1
  • You can make the folded edges of your letter crisp by using a ruler to smooth the folds completely flat. Thanks Helpful 11 Not Helpful 2
  • Don’t forget to put a stamp on your letter before you mail it. Thanks Helpful 11 Not Helpful 2
Show More Tips Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial Submit Thanks for submitting a tip for review! Advertisement

Warnings

  • If you have to mail many pages, consider taking your letter to the post office to be mailed. The postage may be more than normal if it is over the weight limit. Thanks Helpful 10 Not Helpful 0
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References

  1. ↑ https://bizfluent.com/how-8207237-proper-insert-business-letter-envelope.html
  2. ↑ https://bizfluent.com/how-8207237-proper-insert-business-letter-envelope.html
  3. ↑ https://bizfluent.com/how-8207237-proper-insert-business-letter-envelope.html
  4. ↑ https://www.youtube.com/watch?v=kont0Yjg0BY
  5. ↑ http://www.savvy-business-correspondence.com/WindowEnvelope.html
  6. ↑ https://www.youtube.com/watch?v=gAL1MiBDYLI
  7. ↑ https://www.youtube.com/watch?v=gAL1MiBDYLI
  8. ↑ https://www.youtube.com/watch?v=gAL1MiBDYLI

About This Article

Tami Claytor Reviewed by: Tami Claytor Etiquette Coach This article was reviewed by Tami Claytor. Tami Claytor is an Etiquette Coach, Image Consultant, and the Owner of Always Appropriate Image and Etiquette Consulting in New York, New York. With over 20 years of experience, Tami specializes in teaching etiquette classes to individuals, students, companies, and community organizations. Tami has spent decades studying cultures through her extensive travels across five continents and has created cultural diversity workshops to promote social justice and cross-cultural awareness. She holds a BA in Economics with a concentration in International Relations from Clark University. Tami studied at the Ophelia DeVore School of Charm and the Fashion Institute of Technology, where she earned her Image Consultant Certification. This article has been viewed 1,004,973 times. 70 votes - 73% Co-authors: 21 Updated: April 15, 2025 Views: 1,004,973 Categories: Letters Article SummaryX

To fold and insert a letter into an envelope, start by folding the bottom edge of the letter up so it falls one third the way up the page. Then, crease the fold with your fingers. Next, take the top edge of the letter and fold it down so there's a 1/2 inch gap between the edge and the crease you just made at the bottom. Finally, crease the fold before sliding the letter into an envelope. To learn how to fold and insert letters into smaller envelopes, scroll down! Did this summary help you?YesNo

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Yes No Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Tami Claytor Reviewed by: Tami Claytor Etiquette Coach 70 votes - 73% Click a star to vote Co-authors: 21 Updated: April 15, 2025 Views: 1,004,973 Steven Lasch

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