Recently I received a report from several users having issues to preview particular messages in .eml format in the reading pane of Outlook. When double-clicking to open the email message, the content will be displayed properly.
This article provides a comprehensive guide to enabling and troubleshooting email preview in various Outlook environments, along with an analysis of its benefits.
Learn how to manage the Microsoft Outlook or Outlook.com preview pane for a more customized e-mail viewing experience with steps for enabling or disabling.
Enable or disable Outlook's live preview to customize your email formatting view. Follow our guide for step-by-step instructions on adjusting this setting.