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How To Make Outlook Font Bigger

A practical step-by-step guide to how to make outlook font bigger, including preparation, instructions, common issues, tips, and next steps.

Published 2026-06-30 · Updated 2026-07-22

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How To Make Outlook Font Bigger

Struggling to read small text in Outlook? This comprehensive guide shows you exactly how to make the font bigger across different parts of the application, whether you're viewing emails, composing new ones, or navigating the interface. By following these clear, step-by-step instructions, you can customise your Outlook experience for improved readability and comfort, ensuring you don't miss any crucial details.

Fast Answer

  • Reading Pane: View > View Settings > Other Settings > Row Font
  • New Mail: File > Options > Mail > Stationery and Fonts
  • Overall UI: Windows Settings > Display > Scale and Layout
10-20 min Time needed
Easy Difficulty
Apply all changes Watch out for

Before You Start

  • Access to a computer with Microsoft Outlook (desktop application or web version).
  • Basic familiarity with your computer's operating system (Windows or macOS) for system-wide font adjustments.
  • An understanding of which part of Outlook's text you want to enlarge: the message list, the reading pane, the text you write, or the entire application interface.
Check first: Make sure you know whether you are using the Outlook desktop application (part of Microsoft 365 or Office) or Outlook on the Web (accessed via a browser), as the methods for changing font size differ significantly between the two.

Step-by-Step Instructions

Adjust the Reading Pane and Message List Font Size (Outlook Desktop App)

This method focuses on increasing the font size for the list of your emails (e.g., sender, subject) and the content of emails you select in the reading pane. This is often the first adjustment people seek to make their email viewing more comfortable.

  1. Open Outlook: Launch the Microsoft Outlook desktop application on your computer.
  2. Navigate to the View Tab: At the top of the Outlook window, find and click on the "View" tab. This tab contains options for how your Outlook interface is displayed.
  3. Access View Settings: In the "Current View" group within the "View" tab, click on "View Settings." A new dialogue box titled "Advanced View Settings" will appear.
  4. Open Other Settings: Within the "Advanced View Settings" box, look for and click on the button labelled "Other Settings..." This opens another dialogue box specific to visual elements.
  5. Modify Row Font: In the "Other Settings" box, you will see sections for "Grid Lines and Group Headings" and "Message Preview." Under the "Grid Lines and Group Headings" section, click the "Row Font..." button. This controls the font for individual email entries in your message list.
  6. Choose New Font Size: A standard font selection window will pop up. Here, you can change the font style, font size, and even the font colour for your message list. Select a larger size from the "Size" list, such as 12, 14, or 16, based on your preference. Click "OK."
  7. Adjust Reading Pane Font (Optional but Recommended): Back in the "Other Settings" box, under the "Reading Pane" section, click the "Font..." button. This controls the font for the actual content of the email when you select it in the reading pane. Choose a larger size here as well, similar to your message list. Click "OK."
  8. Apply Changes: Click "OK" on the "Other Settings" box, and then click "OK" again on the "Advanced View Settings" box to apply all your changes. Outlook will refresh, and you should see the new, larger fonts.
Tip: If you find the new font size too large or too small, simply repeat these steps and select a different size. It's perfectly safe to experiment to find what works best for you.

Set the Default Font Size for Composing New Emails (Outlook Desktop App)

This method ensures that every new email, reply, or forwarded message you compose starts with your preferred larger font size, making your writing experience more comfortable and legible for both you and your recipients.

  1. Open Outlook: Ensure the Outlook desktop application is open.
  2. Access Outlook Options: Click on the "File" tab in the top-left corner of Outlook. From the menu that appears, click "Options" at the very bottom. This will open the "Outlook Options" dialogue box.
  3. Go to Mail Settings: In the left-hand navigation pane of the "Outlook Options" box, click on "Mail."
  4. Open Stationery and Fonts: Under the "Compose messages" section, click the button labelled "Stationery and Fonts..." This opens the "Signatures and Stationery" dialogue box.
  5. Choose Fonts for Different Actions: You will see three buttons for "Font" in this box:
    • "New mail messages": Click this button to set the default font for new emails you create.
    • "Replying or forwarding messages": Click this button to set the default font for replies and forwarded emails.
    • "Composing and reading plain text messages": This option is for plain text emails, which don't support rich formatting, but you can still pick a preferred display font for your view.
    Click on the "Font..." button for "New mail messages" first.
  6. Select New Font Size: A font selection window will appear. Choose your desired font style and, most importantly, a larger font size (e.g., 12, 14, or 16). Click "OK."
  7. Repeat for Replies/Forwards (Optional): For consistency, it's a good idea to repeat step 6 for the "Replying or forwarding messages" font button as well.
  8. Apply Changes: Click "OK" on the "Signatures and Stationery" box, then click "OK" again on the "Outlook Options" box to save all your changes. Now, when you compose a new email, the text will automatically start at your chosen larger size.
Tip: While you can set a large default font, remember that recipients will see it in their chosen font settings. Setting an excessively large font might appear unprofessional. Aim for a comfortable, legible size like 12pt or 14pt.

Enlarge the Overall Outlook Interface Font (Windows Display Settings)

Sometimes, it's not just the email content that's hard to read, but the entire Outlook application interface – including the navigation pane, menus, and buttons. This change is made through your Windows operating system's display settings and affects all applications, not just Outlook.

  1. Access Windows Display Settings:
    • Windows 10/11: Right-click on an empty area of your desktop and select "Display settings" from the context menu. Alternatively, go to Start > Settings > System > Display.
  2. Adjust Scale and Layout: In the "Display settings" window, scroll down to the "Scale & layout" section.
  3. Change the "Scale" Setting: You'll see a dropdown menu under "Change the size of text, apps, and other items." The default is often 100% (Recommended). Click the dropdown and select a larger percentage, such as 125% or 150%.
  4. Apply Changes: Your screen might flicker briefly as Windows adjusts the scaling. All text and elements across your operating system, including those in Outlook's navigation pane, ribbon, and menus, will become larger.
  5. Restart Outlook (if needed): For some applications, including Outlook, you might need to close and reopen them for the changes to fully take effect on their interface elements.
Tip: This method affects *all* applications on your computer, not just Outlook. If other apps look too large or blurry after this change, you might need to try a smaller scaling percentage or explore advanced scaling options.

Temporarily Zoom in on the Reading Pane (Outlook Desktop App)

If you only occasionally need a larger view of a specific email in the reading pane, or if you prefer not to change default settings, Outlook offers a quick zoom feature for the current message.

  1. Select an Email: In your Outlook inbox, click on any email to display its content in the reading pane.
  2. Locate the Zoom Slider: In the very bottom-right corner of the Outlook window, you will see a zoom slider with a percentage indicator (e.g., "100%").
  3. Adjust Zoom:
    • Click and drag the slider to the right to increase the zoom percentage and make the text larger.
    • Click the "+" button next to the slider to increase the zoom in increments.
    • You can also click on the percentage number (e.g., "100%") to open a "Zoom" dialogue box where you can select a specific percentage or choose "Fit width."
  4. View Changes: The text in the reading pane will immediately adjust to your chosen zoom level.
Tip: This zoom level usually saves for the reading pane, so the next email you click on will appear at the same zoom. However, it doesn't change the default font size for composing emails or the overall Outlook interface.

Temporarily Zoom When Composing a Message (Outlook Desktop App)

Similar to the reading pane, you can temporarily zoom in or out while writing an email. This is useful if you need to review your text closely without changing your default composing font settings.

  1. Open a New Email: Click "New Email" to open a new message window.
  2. Access Zoom Option:
    • Method A (Ribbon): In the new message window, click on the "Format Text" tab in the ribbon. In the "Zoom" group, click the "Zoom" button.
    • Method B (Status Bar): Look at the bottom-right corner of the new message window. You'll find a zoom slider and percentage indicator, similar to the main Outlook window.
  3. Adjust Zoom:
    • If using the ribbon button, a "Zoom" dialogue box will appear. Select a higher percentage (e.g., 150% or 200%) and click "OK."
    • If using the slider, drag it to the right or click the "+" button to increase the zoom.
  4. View Changes: The text in your email composition area will become larger.
Tip: This zoom setting only applies to the specific email you are currently composing. It does not affect the default font for future emails, nor does it change what the recipient will see (unless you also manually set the font size of the text itself).

Increase Font Size in Outlook on the Web (OWA)

If you primarily use Outlook through your web browser, the methods for enlarging fonts are slightly different, relying more on browser features.

  1. Open Outlook on the Web: Go to the Outlook website (e.g., outlook.com or your organisation's webmail URL) in your preferred web browser (Chrome, Firefox, Edge, Safari).
  2. Use Browser Zoom for Overall Interface:
    • Windows/Linux: Press Ctrl + + (plus key) to zoom in, or Ctrl + scroll up with your mouse wheel. Press Ctrl + - (minus key) to zoom out, and Ctrl + 0 to reset to default.
    • macOS: Press Cmd + + to zoom in, or Cmd + scroll up. Press Cmd + - to zoom out, and Cmd + 0 to reset.
    This will make all elements on the webpage, including the navigation pane, message list, and reading pane, appear larger.
  3. Adjust Reading Pane Zoom (Limited): Outlook on the Web often does not have a specific zoom slider for the reading pane like the desktop app. Browser zoom is the primary method here. However, when composing an email, sometimes a small zoom control appears at the bottom of the new message window, similar to the desktop app.
  4. Change Composing Font Size:
    • When composing a new email, look for the formatting toolbar above the message body. You'll typically see a dropdown for font size (e.g., "10", "12", "14"). Select a larger number here.
    • This change will only apply to the current email you're writing. There isn't a direct "default composing font" setting for Outlook on the Web that persists across all new messages without some browser extensions or specific organisation settings.
  5. Explore Accessibility Settings (Browser Specific): Some browsers offer additional accessibility settings to increase default font sizes across all websites. Check your browser's settings for "Appearance" or "Accessibility" options.
Tip: Browser zoom (Ctrl/Cmd + +) is the most effective and universal way to make everything in Outlook on the Web larger. It affects all text and images, providing a holistic solution for readability.

Adjust Calendar, Tasks, and Contacts Font Size (Outlook Desktop App)

While often overlooked, the font sizes in other Outlook modules like Calendar, Tasks, and Contacts can also be too small. These settings are usually view-specific.

  1. Switch to the Desired Module: In the navigation bar at the bottom or side of Outlook, click on "Calendar," "Tasks," or "People" (for Contacts).
  2. Access View Settings: Just like with Mail, go to the "View" tab at the top.
  3. Open View Settings (Again): Click "View Settings" within the "Current View" group.
  4. Modify Specific Font Options:
    • For Calendar: In the "Advanced View Settings" box, look for buttons like "Other Settings..." or a direct "Font..." button related to "Row Font" or "Appointment Font." The exact options vary by view (e.g., Day/Week/Month vs. List). In "Other Settings," you might find "Font for Time Scale," "Font for Column Headings," etc. Adjust these as needed.
    • For Tasks/People: Similar to Calendar, after clicking "View Settings," look for "Other Settings..." or a "Font..." button. You'll often find "Row Font" which controls the list of items.
  5. Select New Font Size: In the font selection window, choose your desired larger size and click "OK."
  6. Apply Changes: Click "OK" on all open dialogue boxes to save and apply the changes to the specific module's view.
Tip: The font settings for Calendar, Tasks, and Contacts are often specific to the particular view you are using (e.g., "List" view vs. "Daily" view). If the font doesn't change immediately, try switching to a different view within that module and adjusting its settings too.

Quick Reference

Situation Use this Why
Emails in your inbox or reading pane are too small. Outlook Desktop: View > View Settings > Other Settings > Row Font / Reading Pane Font Directly controls how you see incoming emails.
Text you write in new emails, replies, or forwards is too small. Outlook Desktop: File > Options > Mail > Stationery and Fonts Sets the default starting font size for your outgoing messages.
The Outlook application interface (menus, navigation, buttons) is generally too small. Windows: Settings > System > Display > Scale and layout Enlarges all elements within Outlook and other applications for a more comfortable overall view.
You're using Outlook on the Web and need all elements to be bigger. Browser: Use Ctrl + + (Windows/Linux) or Cmd + + (macOS) The most effective way to scale the entire web page, making everything larger.
You want to temporarily enlarge a specific email for easier reading without changing default settings. Outlook Desktop: Zoom slider at bottom-right of reading pane or new message window. Quick, temporary adjustment for individual messages.

Common Problems When You Make Outlook Font Bigger

Changing font settings can sometimes lead to unexpected results. Here are some common issues and their practical fixes:

  • My font changes didn't save or didn't apply:

    Fix: Ensure you clicked "OK" on all open dialogue boxes after making your selections. Many Outlook settings require you to confirm changes across multiple windows before they are permanently applied. If you close a window by clicking the 'X' or 'Cancel', your changes will be lost. Re-check each step and confirm all prompts.

  • Only some text got bigger, but other parts are still small:

    Fix: This often happens because Outlook has separate font settings for different areas. Remember to adjust the font for the reading pane, the message list, and your composing emails separately. If the menus and navigation pane are still small, you likely need to adjust your Windows display scaling settings as described in Step 3. Outlook on the Web will require browser zoom (Step 6).

  • Outlook looks blurry or pixelated after changing display settings:

    Fix: When you change the Windows "Scale and layout" percentage (Step 3), sometimes setting it to a non-recommended value can cause blurriness. Try reverting to the "Recommended" scaling percentage, or experiment with other common percentages like 125% or 150%. Also, ensure your screen's resolution is set to its native (recommended) value in the same display settings.

  • My default composing font is still small when I reply or forward:

    Fix: Go back to File > Options > Mail > Stationery and Fonts (Step 2). Make sure you clicked the "Font..." button next to "Replying or forwarding messages" and set it to your desired larger size, in addition to the "New mail messages" setting.

  • Outlook on the Web (OWA) doesn't respond to font changes:

    Fix: For Outlook on the Web, most font enlargement relies on your browser's zoom function (Ctrl + + or Cmd + +). Direct font settings within OWA are typically limited to the composing window's formatting toolbar. If browser zoom isn't working, try clearing your browser's cache or trying a different browser to rule out a browser-specific issue.

  • Calendar, Tasks, or Contacts module fonts are unchanged:

    Fix: These modules often have their own specific view settings (Step 7). Navigate to the relevant module (e.g., Calendar), then go to View > View Settings > Other Settings, and adjust the "Font" options available there. Remember that different calendar views (Day, Week, Month, List) might have distinct font settings.

Advanced Tips for How To Make Outlook Font Bigger

Once you've mastered the basics, consider these advanced strategies for an even more comfortable and efficient Outlook experience:

  • Utilise Windows Magnifier: For users with significant visual impairments, or for temporary extreme zooming, the Windows Magnifier tool can be very helpful. To activate it, press Windows key + +. You can then drag the magnifying glass around your screen or dock it to the top. This provides a system-wide zoom that goes beyond standard display scaling, allowing you to magnify any part of the screen instantly.
  • Customise Quick Access Toolbar for Font Options: If you frequently change font sizes when composing emails, you can add the "Font Size" command to your Quick Access Toolbar (QAT) in the new message window. Click the dropdown arrow on the QAT (usually above the ribbon), select "More Commands," choose "All Commands," find "Font Size," and add it. This gives you one-click access to font size adjustments.
  • Explore Accessibility Features: Both Windows and macOS offer comprehensive accessibility settings. In Windows, go to Settings > Accessibility > Text size to adjust text size system-wide without affecting app scaling. This provides a more refined control than full display scaling and might be suitable if only text size is an issue.
  • Consider High Contrast Themes: If readability is still an issue even with larger fonts, a high-contrast theme (found in Windows Accessibility settings or Outlook's theme options) can improve text clarity by providing starker colour differences between text and background. This can significantly reduce eye strain.
  • Create Custom Views with Specific Font Sizes: For advanced users, Outlook allows you to create and save custom views for your Mail, Calendar, Tasks, etc. You could create a "Large Font View" and a "Standard View" and switch between them as needed. Go to View > Change View > Manage Views > New... to start creating your own custom view with specific font settings saved within it.
  • Understand Email HTML and CSS: When sending emails, especially with custom stationery or templates, be aware that embedded HTML and CSS can sometimes override your default composing font settings for recipients. While you control your default font, the sender's chosen styling might take precedence. This is less about your viewing and more about what others receive.

How To Make Outlook Font Bigger FAQ

Can I make all fonts in Outlook bigger with just one setting?

Yes, but indirectly. The most comprehensive way to make *all* text and elements in the Outlook desktop application bigger at once is by adjusting your Windows (or macOS) display scaling settings (Step 3). This will enlarge the navigation pane, ribbon, menus, and message content, as it affects the entire application's display. However, it will also affect other applications on your computer.

Does changing my Outlook font size affect what recipients see in my emails?

Only if you change the default font size for composing new emails, replies, or forwards (Step 2). When you set a larger font here, your outgoing messages will be sent with that font size. However, recipients can always override this by setting their own preferred viewing font in their email client. Changing your reading pane or overall UI font size (Steps 1, 3, 4, 5, 6, 7) only affects how you see emails on your screen, not what others receive.

I have multiple Outlook email accounts/profiles. Do I need to change the font for each one?

Generally, font changes made through View Settings (for reading pane/message list) and Outlook Options > Mail > Stationery and Fonts (for composing) apply across all accounts within the same Outlook desktop application profile. If you have separate Outlook profiles configured (a less common setup), you might need to adjust settings for each profile. Windows display scaling affects all applications system-wide.

What's the difference between changing the font size and zooming?

Changing the font size (e.g., via View Settings or Stationery and Fonts) permanently alters the default size of the text itself. This means the text is rendered at that new size. Zooming (e.g., using the slider or browser zoom) magnifies the existing content without changing its underlying font size. It's like looking at the screen through a magnifying glass. Zoom is often temporary or context-specific, while font size changes are more permanent defaults.

How can I revert all my font changes if I don't like them?

To revert changes, simply go back through the same steps outlined in this guide and select smaller font sizes or choose default options where available. For instance, in View Settings, you can often find a "Reset Current View" option. For composing fonts, you can manually set them back to a standard size like 11pt. For Windows display scaling, revert to the "Recommended" percentage. It's usually straightforward to undo any adjustments you make.

Final Checklist for How To Make Outlook Font Bigger

Before you finish, use this checklist to ensure you've addressed all your font-sizing needs in Outlook and are ready to enjoy a more comfortable viewing experience:

  • ✓ I have identified exactly which part of Outlook's text I wanted to make bigger (message list, reading pane, composing area, or entire interface).
  • ✓ If using Outlook desktop, I have adjusted the reading pane and message list font size via View > View Settings > Other Settings > Row Font (Step 1).
  • ✓ If using Outlook desktop, I have set my default composing font size for new messages, replies, and forwards via File > Options > Mail > Stationery and Fonts (Step 2).
  • ✓ If the overall Outlook interface (menus, ribbon) was too small, I have adjusted the Windows display scaling via Display Settings (Step 3).
  • ✓ If using Outlook on the Web, I have used my browser's zoom function (Ctrl/Cmd + +) to enlarge the interface and content (Step 6).
  • ✓ I have checked other Outlook modules (Calendar, Tasks, Contacts) and adjusted their specific view fonts if needed (Step 7).
  • ✓ I clicked "OK" on all dialogue boxes to save and apply my changes.
  • ✓ I have restarted Outlook (if using the desktop app) if the changes did not immediately take full effect on the user interface.
  • ✓ I have reviewed the results and am satisfied with the new font sizes for improved readability.
  • ✓ I know how to revert changes if I decide to modify them again in the future.

With these steps completed, your Outlook experience should now be much more visually comfortable and efficient. Enjoy your clearer, larger fonts!

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