Software & Apps MS Office How to Disable the Preview Pane in the Windows 10 Mail App and Outlook Boost email security by hiding message previews By Heinz Tschabitscher Writer A former freelance contributor who has reviewed hundreds of email programs and services since 1997. our editorial process Heinz Tschabitscher Updated January 19, 2020 Heinz Tschabitscher MS Office Outlook Word Excel Powerpoint Tweet Share Email Email programs like Microsoft Outlook and the Mail app for Windows 10 show you a preview of your incoming messages by default. For security purposes, it is best to disable previews in Outlook and similar programs. Instructions in this article apply to the Windows 10 Mail app, Outlook 2019, Outlook 2016, 2013, and Outlook for Office 365. How to Turn Off Message Preview in Mail for Windows 10 To disable the preview pane in the Windows 10 Mail app: Select Settings gear in the bottom-left area of the Mail app. Select Message List in the Settings menu. Set the toggle switches under Preview text and Image preview to Off. How to Disable Message Previews on Outlook.com If you're an Office 365 subscriber using Outlook.com: Select Settings gear in the top-right area of Outlook.com. Select View all Outlook settings in the Settings menu. Select the Layout tab, and then select Hide reading pane under Reading Pane. Scroll down and select Hide preview text under Message Preview Text. Now you will only see the message subject, and you will have to select it to load and read the message. How to Turn Off the Preview Reading Pane in Outlook You can turn off message previews in Outlook 2019, Outlook 2016, and Outlook 2013 for each individual account you have set up: Select the View tab at the top of Outlook, then select Reading Pane. Select Off from the drop-down menu. The message list pane will expand to fill the available space. Select View > Message Preview > Off to hide the preview text that appears under the message subject.