If you find that your emails aren’t displaying in the correct font size or style, then it helps to troubleshoot by following some basic steps.

1. Check Message Formatting – Check to make sure that the formatting of the message is set to HTML or Rich Text.
2. Check Email Signature – Check to make sure your email signature is in the correct format.
3. Check Folder Rules – Check to make sure your folder rules aren’t restricting messages by style.
4. Disable Font Replace – Disable any font that’s set to replace another font.
5. Check Compatibility Settings – Check to make sure compatibility settings from other programs aren’t affecting Outlook.