Horizontal scroll bar

Question

Suddenly missing the horizontal scroll bar at the bottom of emails in the preview panel. Suggested fixes such as "Advanced Settings: Go to File > Options > Advanced.

1. Enable Scroll Bar: Scroll down to the Display section and make sure Show horizontal scroll bar is checked. [1]

There is no enable scroll bar or display section.

I'm using Classic Outlook

Answer 1

Hi Kathy Kane,

I understand how inconvenient this can be, especially when the horizontal scroll bar was previously available and disappeared unexpectedly.

The Show horizontal scroll bar setting under File > Options > Advanced > Display applies to Word and Excel, so it is expected that you will not find that option in Classic Outlook.

Could you please confirm whether the scroll bar is missing from all messages, or only from emails containing wide tables, large images, or other content that extends beyond the Reading Pane?

In the meantime, please try the following:

• On the View tab, select Reading Pane, switch it to Bottom, and then switch it back to Right.
• Resize the Outlook window or drag the Reading Pane boundary to make the pane narrower, then check whether the horizontal scroll bar appears on a message with wide content.
• In Windows, open Settings > Accessibility > Visual effects and temporarily turn off Always show scrollbars, then turn it back on.
• Update Outlook through File > Office Account > Update Options > Update Now.
• Test Outlook in Safe Mode by pressing Windows key + R, entering outlook.exe /safe, and selecting OK.

If the bar returns in Safe Mode, an Outlook add-in may be affecting how messages are displayed. Please also share your Outlook version from File > Office Account > About Outlook, and, if possible, a screenshot with any personal information hidden. Thank you so much for your understanding. 

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Answer 2

That File > Options > Advanced > Display > Show horizontal scroll bar setting applies to Word and Excel, not classic Outlook. That is why the Display section and Show horizontal scroll bar option are not present in Outlook.

For classic Outlook, the available pane-related settings under File > Options > Advanced include items such as Navigation, Reading Pane, and Show apps in Outlook. A horizontal scroll bar toggle for the preview/Reading Pane is not listed there.

Two supported workarounds are available:

1. Increase the Reading Pane zoom temporarily
   • Click inside the Reading Pane.
   • Use the Zoom control at the bottom of the Outlook window, or press Ctrl and roll the mouse wheel.
   • This affects only the current item in the Reading Pane and returns to the default 100% when another item or folder is selected.
2. Set a permanent default zoom for opened messages
   • In the inbox, double-click a message to open it in its own window.
   • On the ribbon, select Zoom.
   • Set the percentage.
   • Select Remember my preference, then OK.

If the issue is that long lines cannot be viewed comfortably in the preview area, another built-in option is to open the message in its own window and use Ctrl+Alt+S to split the message window horizontally so different sections can be scrolled separately.

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References:

• Show scroll bars in Word or Excel
• Advanced options in classic Outlook for Windows
• Use and configure the Reading Pane to preview messages in Outlook