How Do I Change The Default Font In Outlook

A practical step-by-step guide to how do i change the default font in outlook, including preparation, instructions, common issues, tips, and next steps.

Published 2026-05-29 ยท Updated 2026-07-23

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How Do I Change The Default Font In Outlook

This guide explains how to approach how do i change the default font in outlook, including the preparation, practical steps, common mistakes, and final checks that help you finish with confidence.

5-10 minutes Time needed
Easy Difficulty
Applying to all message types Watch out for

Before You Start

Check first: Understand that these changes will apply to new emails you compose and your replies or forwarded messages. They will not change the appearance of emails you receive or emails you have already sent. Also, if you use multiple email accounts within Outlook, this default font setting typically applies globally unless overridden by specific stationery or themes.

Step-by-Step Instructions

Quick Reference

Common Problems When You Change The Default Font In Outlook

Font Does Not Change After Following Steps

Sometimes, despite carefully going through all the steps, you might compose a new email and find that the font hasn't changed. This can be frustrating, but there are a few common reasons:

Only New Messages Change, Not Replies or Forwards

You might notice that your new emails show the desired font, but when you reply to an email, the font defaults back to the old one or something unexpected.

My Font Looks Different for Recipients

You've set your beautiful new font, sent an email, and then a colleague tells you it looks like Times New Roman. This usually isn't an issue with your settings but rather with the recipient's email setup.

Changes Reset After Outlook Restart

You change your font, it works, but after closing and reopening Outlook, the old font reappears.

Advanced Tips for How Do I Change The Default Font In Outlook

Use Consistent Fonts for Professional Branding

Beyond simply changing the default font, consider your choice as part of your professional or personal branding. Using a consistent font across all your communications, including emails, documents, and presentations, helps build a recognizable identity. Select a font that is easy to read, conveys the right tone (e.g., formal, friendly), and is widely available to minimize substitution issues for recipients.

Many businesses have a specific font palette they use. If you're working within an organization, check if there are brand guidelines for email fonts to ensure compliance.

Understand the Impact of Outlook Themes and Stationery

Outlook allows you to use pre-designed "themes" or "stationery" for your emails, which can include background images, colors, and specific font settings. If you apply a theme or stationery to an email, it will generally override your default font settings for that particular message.

If you prefer to maintain your custom default font and avoid unintended formatting, it's best to avoid using themes or stationery when composing emails. If you do use them, be aware that they come with their own font definitions.

You can find and manage themes and stationery in the same "Signatures and Stationery" dialog box where you set your default fonts.

Customize Signatures with Specific Fonts

Your email signature is another place where font choices are important. While your default email font sets the body text, your signature can have its own distinct font, style, and color.

To customize your signature font: Go to File > Options > Mail > Signatures.... In the "Signatures and Stationery" dialog box, select the signature you wish to edit. Use the formatting toolbar above the signature text box to choose the font, size, and color for your signature. This allows you to have a different font for your closing information without affecting the main body of your email.

Remember that a signature's font will only apply to the signature block itself, not the entire email body. However, a well-designed signature with a complementary font can enhance your overall email presentation.

The Importance of HTML vs. Plain Text Formatting

Outlook emails can be sent in two primary formats: HTML (HyperText Markup Language) and Plain Text.

Always ensure your outgoing messages are set to HTML format (check the "Format Text" tab in a new email window) if you want your custom font to be delivered as intended.

How Do I Change The Default Font In Outlook FAQ

Can I have different default fonts for different email accounts in Outlook?

No, the default font settings accessed via File > Options > Mail > Stationery and Fonts... apply globally to all accounts configured in your Outlook desktop application. You cannot set a different default font for new messages, replies, or plain text on a per-account basis using this method.

However, you can achieve a similar effect for individual accounts by creating separate email signatures for each account, each with its own preferred font. When you create a new message, select the correct signature for the sending account, and the signature's font will be used, although the main body text will still default to the global setting unless you manually change it or use stationery.

Why does my default font sometimes change back to the original?

There are a few reasons why your default font might revert:

Does changing the default font affect old emails in my inbox or sent folder?

No, changing the default font in Outlook will not affect any existing emails in your inbox, sent folder, or any other folder. It only applies to new messages you compose and replies/forwards you send *after* the change has been made. Previously sent or received emails will retain their original formatting.

How do I change the font in Outlook on the web (Outlook.com)?

Changing the default font in Outlook on the web (Outlook.com or Outlook for Microsoft 365 in a browser) is different from the desktop application.

Can I set a different default font for each new email I compose?

The default font setting applies universally to all new messages. If you want a different font for a specific email, you will need to manually change it using the formatting options in the "Format Text" tab of the message composition window. Alternatively, you could create multiple email stationery templates with different fonts and apply them as needed, though this is less common than simply changing it on the fly.

Final Checklist for How Do I Change The Default Font In Outlook