Temporarily Zoom In to Read an Email

If you've received an email with tiny text and just need to read it without changing any permanent settings, the Zoom function is your best friend. This is a temporary adjustment that only affects the email you currently have open. It's the quickest way to make text legible on the fly.

There are two easy ways to do this:

1. Open the email in its own window by double-clicking it. Look to the bottom-right corner of the window for a slider with a percentage next to it (e.g., 100%). Click and drag the slider to the right to increase the font size.
2. Alternatively, with the message open, hold down the Ctrl key on your keyboard and scroll up with your mouse wheel. This will magnify the content of the email. Scrolling down while holding Ctrl will zoom out.

Change the Default Font for All New Emails You Compose

This is the most common change people want to make. If you find yourself manually increasing the font size every time you write a new message, setting a new default will save you a lot of time. This change will affect all new emails you create from scratch.

1. In the main Outlook window, click on the File tab in the top-left corner.
2. From the menu on the left, select Options. This will open the Outlook Options window.
3. In the Outlook Options window, click on the Mail category on the left-hand side.
4. Look for a button labelled Stationery and Fonts... and click it. This opens a new "Signatures and Stationery" window.
5. Under the "New mail messages" section, click the Font... button. Here you can choose your desired font (like Calibri or Arial), font style (Regular, Bold), and, most importantly, the Size. A common, readable size is 11pt or 12pt.
6. Once you have selected your new settings, click OK on each of the open windows to save your changes.

From now on, whenever you click "New Email," the message body will automatically use the larger font size you just set.

Adjust the Font for Replying to and Forwarding Emails

You might notice that even after changing the font for new emails, your replies still use the original, smaller font. This is because Outlook has a separate setting for replies and forwards. You can change this in the same place you set the font for new messages.

1. Follow the same initial steps: go to File > Options > Mail > Stationery and Fonts....
2. In the "Signatures and Stationery" window, look for the section labelled Replying or forwarding messages.
3. Click the Font... button in this section.
4. Just as before, select your preferred font, style, and size. It's a good idea to make this consistent with your font for new messages. You can also choose a different colour if you want your replies to stand out.
5. Click OK to confirm your choices and then OK again to close the remaining windows.

Increase the Font Size for Reading Plain Text Emails

Some emails arrive as "plain text," which means they don't have any special formatting like bolding, colours, or different fonts. Outlook uses its own default font to display these messages. If you find these specific emails hard to read, you can set a larger font for them.

1. Once again, navigate to File > Options > Mail > Stationery and Fonts....
2. In the "Signatures and Stationery" window, find the final section: Composing and reading plain text messages.
3. Click the Font... button here.
4. Choose a font and size that you find easy to read. Since plain text has no other styling, picking a clean, clear font like Arial or Verdana at size 12pt is a solid choice.
5. Click OK on all open dialog boxes to apply the setting. This will not affect HTML-formatted emails, which contain their own font styles.

Make the Email List in Your Inbox Larger

If the text in your email list (the view showing sender, subject, and date) is too small, you can adjust that as well. This change makes your inbox easier to scan without affecting the content of the emails themselves.

1. In the main Outlook window, click on the View tab at the top.
2. In the "Current View" group, click on View Settings. A new "Advanced View Settings" window will pop up.
3. Click on the Other Settings... button.
4. Here, you will see font options for different parts of the message list. Click the Font... button under "Row Font" to change the main text for each email line.
5. Select a larger font size and click OK. You can also adjust the "Column Font" if you want to change the size of the headers (like "From," "Subject").
6. Click OK on the remaining windows to save your changes. Your inbox list should now be much easier to read.

Increase the Font Size in the Reading Pane

The Reading Pane is the preview window where you can see an email's content without fully opening it. The text size here is often controlled by the same Zoom function used for open emails. However, the experience can vary based on your Outlook version.

The most reliable method is to use the Zoom control. Click inside the Reading Pane, and then look for the Zoom slider at the very bottom-right of the main Outlook window. Drag it to the right to increase the text size for the selected email. For plain text messages, the font size will be determined by the settings you configured in Step 4.

In some newer versions of Outlook, holding Ctrl and using the mouse wheel while the cursor is over the Reading Pane will also adjust the zoom level for that pane.

Enlarge the Entire Outlook Interface (Menus, Folders, and All)

If it's not just the email text but the entire Outlook application—including the folder list, menu ribbons, and buttons—that is too small, then the problem isn't an Outlook setting. It's a Windows display setting. Changing this will affect all applications on your computer, not just Outlook.

1. Close Outlook before making this change.
2. Right-click on your Windows desktop and select Display settings.
3. In the Settings window that opens, look for the Scale and layout section.
4. You will see a dropdown menu under "Change the size of text, apps, and other items." It is likely set to 100%.
5. Try increasing this to 125% or 150%. The screen will adjust immediately.
6. Open Outlook again. You should see that the entire interface, from the folder pane to the menu text, is larger and easier to read. Choose a scaling level that feels comfortable for all your applications.