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Change Outlook "Mark As Read" Behavior

Fresh3 days ago
Mar 15, 2026284476 views
Confidence Score1%
1%

Problem

Can someone describe to me, step by step, what I would need to do in order to change the default Outlook "Mark as Read" behavior? Default Behavior: Outlook marks a message as read when It has appeared in the viewing pane and I move to another message. Desired Behavior: Outlook marks a message as read as soon as it appears in the viewing pane.

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Fix for: Change Outlook "Mark As Read" Behavior

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It took me a few minutes to figure it out in Outlook 2010 and Outlook 2016 - once you get to the Reading Pane options, it's the same as squillman's answer. Go to File → Options → Advanced. In the Outlook panes section, click Reading Pane... Check Mark items as read when viewed in the Reading Pane and set an interval in seconds before it kicks in. Note: In Outlook 2016, the same dialog is also available in the ribbon under View → Reading Pane → Options....

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