How to stop Outlook from automatically marking emails as read?
Generally speaking, when you switch unread emails in the mailing list with the Reading Pane turned on, the emails will be marked as Read automatically. Sometimes, you may just want to switch emails but not read them. In this article, I will introduce the solution to stop Outlook from automatically marking emails as Read when clicking them in the mail list.
Stop Outlook from automatically marking emails as read
Stop Outlook from automatically marking emails as read
To stop Outlook from automatically marking emails as read when switching them in the mail list, you need to change the options of the Reading Pane.
1. In the "Mail" view, click "View" > "Reading Pane" > "Options". See screenshot:

2. In the Reading Pane dialog box, uncheck both "Mark items as read when viewed in the Reading Pane" and "Mark items as read when selection changes" options. See screenshot:

Note: Alternatively, you can specify the options as follows: (1) check the "Mark items as read when viewed in the Reading Pane" option, (2) enter the average time you spend reading an email, and (3) uncheck the "Mark item as read when selection changes" option. See screenshot:

3. Click the "OK" button to save the changes.
From now on, when you switch unread emails in the mail list with the Reading Pane turned on, these emails will not be marked as Read automatically.

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