How to Fold an Envelope: A Step-By-Step Guide


While it may seem like a simple task, folding an envelope properly can make all the difference when mailing a letter. A well-folded envelope not only makes your letter look more professional but can also ensure that it stays closed and arrives at its destination safely. In this article, we will provide a step-by-step guide to folding a basic envelope, as well as tips to avoid common mistakes, showcase creative folding techniques, and compare different styles of envelope folds.

Step-by-Step Guide

To fold a basic envelope, you will need a sheet of paper, ruler, scissors, and glue. Follow these steps:

  1. Take a rectangular sheet of paper and place it horizontally in front of you.
  2. Measure and mark the halfway point on the top and bottom edges of the paper.
  3. Measure and mark 1 inch in from each side of the paper along the halfway point.
  4. Using a ruler, connect the top and bottom marks and cut along the lines using scissors.
  5. Fold the bottom edge of the paper up to the halfway point and crease firmly.
  6. Fold the top edge of the paper down to the halfway point and crease firmly.
  7. Apply glue to the side flaps and fold them inwards towards the center of the envelope.
  8. Press the side flaps firmly to ensure that they stick to the bottom flap.
  9. Fold the top flap down and press firmly to seal the envelope.

Refer to the images below to assist you:

envelope folding tutorial

Video Tutorial

For a visual guide to folding an envelope, check out the video tutorial below:

Common Mistakes to Avoid

Although folding an envelope may seem straightforward, there are some common mistakes that people often make. These include:

  • Using paper that is too thick, which can make it difficult to fold and seal the envelope properly.
  • Folding the paper too tightly, which can cause the envelope to bulge and not lay flat.
  • Not creasing the folds firmly enough, which can cause the envelope to come apart in the mail.
  • Using too much glue, which can make the envelope stick together too tightly and difficult to open.

To avoid these mistakes, make sure to use the proper weight of paper, crease each fold firmly, and use just enough glue to hold the envelope together.

Creative Folding Techniques

If you’re looking to add some extra flair to your envelopes, there are many unique and creative folding techniques to try. Here are a few examples:

Accordion Fold

Instead of a traditional triangular flap, fold the top and bottom edges of the paper towards each other in an accordion-like manner. Use a ribbon or string to tie the envelope closed.

accordion fold envelope

Petal Fold

Fold the paper into a fan shape, and then fold each side towards the center. Fold the top and bottom down into a petal-like shape.

petal fold envelope

Heart Fold

Fold the paper in half vertically and mark the center point. Bend the top corners of the paper towards the center, forming a heart-like shape.

heart fold envelope

Comparing Different Styles

There are many different styles of envelope folds to choose from, each with its own unique benefits. Two popular styles are the letterfold and diamond fold.


The letterfold is a classic style and is used for a variety of purposes, including business correspondence and personal letters. It involves folding the paper into thirds vertically, making a traditional rectangular envelope. The letterfold is easy to execute and can be done quickly.

Diamond Fold

The diamond fold is a unique and eye-catching style that is perfect for special occasions like weddings and birthdays. It involves folding the paper into a diamond shape and securing it with glue or ribbon. The diamond fold takes a bit more time to execute but creates a beautiful and memorable envelope.

Benefits of Handwritten Envelopes

In today’s digital age, the art of writing handwritten letters has become somewhat of a lost art. However, taking the time to write a thoughtful note and envelope can have many benefits, including:

  • Creating a personal connection between the sender and recipient
  • Providing a tangible reminder of the sender’s thoughts and feelings
  • Allowing the sender to express themselves in a more creative and meaningful way

So next time you have a letter to send, consider taking the time to write it by hand and fold it into a beautifully crafted envelope.


Folding an envelope may seem like a small detail, but it can have a significant impact on the overall presentation of your letter. By following our step-by-step guide, avoiding common mistakes, and exploring creative folding techniques, you can elevate your envelopes from ordinary to extraordinary. And don’t forget to take the time to write a meaningful handwritten letter – it’s a simple gesture that can make a big difference.

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