How to Set A4 Size in Word: A Step-by-Step Guide for Perfect Formatting

Setting the page size to A4 in Microsoft Word is a straightforward task that ensures your document conforms to standard paper dimensions. By navigating through a few menus, you can easily make your document A4-sized, which is 8.27 inches by 11.69 inches. Here’s how you can achieve that in a few simple steps.

How to Set A4 Size in Word

Making your document A4-sized is essential for professional and academic purposes, especially if you are in a region where A4 is the standard paper size. Follow these easy steps to adjust your page size.

Step 1: Open Your Document

Start by opening the Microsoft Word document you need to resize.

Once you have your document open, you can proceed to the page layout settings, where you’ll find the options to change the page size.

Step 2: Go to the Layout Tab

Next, click on the "Layout" tab found on the ribbon at the top of the screen.

The Layout tab is where you’ll find various settings related to your document’s layout, including margins, orientation, and size.

Step 3: Select Size

In the Layout tab, click on the "Size" button.

This button will open a dropdown menu with various paper size options.

Step 4: Choose A4

From the dropdown menu, select "A4".

Selecting A4 will immediately change your document’s page size to A4. You’ll see the dimensions update in the layout preview.

Step 5: Confirm Changes

Finally, make sure your changes are applied and save your document.

Saving your document finalizes the change to A4 size, ensuring that the document remains in this format even when reopened.

After completing these steps, your document will be formatted to an A4 page size, which is ideal for printing and sharing in regions where A4 is the standard.

Tips for Setting A4 Size in Word

  • Always double-check the dimensions in the layout preview to ensure they are correct.
  • Save your document after making changes to avoid losing your settings.
  • If you frequently use A4 size, consider setting it as your default paper size in Word.
  • Remember that changing the paper size can affect the layout and formatting of your content, so review your document afterward.
  • If you’re working with templates, ensure they are also set to A4 size to maintain consistency.

Frequently Asked Questions

What is the standard size of A4 paper?

A4 paper is 8.27 inches by 11.69 inches, or 210mm by 297mm.

Can I set A4 size as my default paper size?

Yes, you can set A4 as your default paper size in Word by going to File > Options > Advanced and adjusting the paper size settings.

Why does my document look different after changing the paper size?

Changing the paper size can affect the layout and formatting of your document, so you may need to adjust margins and other settings.

Can I change the paper size mid-document?

It’s possible, but doing so may affect the document’s formatting. It’s usually better to keep one consistent paper size throughout your document.

Is A4 size commonly used?

Yes, A4 is the standard paper size in many countries, especially outside of North America.


  1. Open your document.
  2. Go to the Layout tab.
  3. Select Size.
  4. Choose A4.
  5. Confirm changes.


Changing the page size to A4 in Word is an essential skill, particularly if you’re working in regions where A4 is the standard. It ensures your document is formatted correctly and is ready for printing or sharing without any size discrepancies. Remember, navigating through the Layout tab and selecting the correct size only takes a few clicks.

By following the steps outlined in this guide, you can quickly make sure your document is set up correctly. If you frequently need to use A4 size, consider setting it as your default to save time in the future.

For further reading, explore other advanced layout options in Word to enhance your document’s presentation and functionality.