How to Change the Font or Font Size in the Message List in Outlook

You may want to enlarge the text in the subject and column headers to make them easier to read. Please follow the steps below for details:

Step 1: Click "Mails" button to open the message window;

Step 2: Click "View Settings" in the "View" tab;

Step 3: Click "Other Settings" in the new window;

Step 4: Click "Column Font" and to change the font or font size for the column headers in your Inbox ("From" and "Subject");

Step 5: Click "Row Font" and to change the font or font size for the message in the subject lines;

Step 6: The text in the subject and column headers is changed.