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Other PDF Issues

How to Stop Tools Panel from Opening in Adobe Reader DC

Elise WilliamsElise Williams Oct 18, 2026 868 views

Question details

The user wants to prevent the right-side Tools panel from automatically opening every time a PDF file is accessed in Adobe Acrobat Reader DC.

How to Stop Tools Panel from Opening in Adobe Reader DC
Product
Adobe Acrobat Reader DC
Device & OS
not provided
Scenario
Opening PDF documents for viewing after a recent software update.
Observed behavior
The right-side Tools panel continually reopens each time a file is opened, even though the option to remember the panel's closed state has been checked.
Before you start

Verify your exact version of Adobe Acrobat Reader DC (Help > About Adobe Acrobat Reader DC), as interface settings and bug fixes can vary significantly between different software builds.

Solution 1Recommended

Configure Preferences to Remember the Tools Pane State

Enable the built-in preference that forces Adobe Reader to remember whether you left the Tools pane open or closed.

Adobe Reader includes a specific setting designed to control the default behavior of the right-hand Tools pane. Ensuring this is active and properly registered by the application usually resolves the issue.

1
Open Preferences

Launch Adobe Acrobat Reader DC and navigate to 'Edit' > 'Preferences' from the top menu, or press Ctrl+K on your keyboard.

2
Access Document Settings

In the Preferences window, select 'Documents' from the Categories list on the left-hand side.

3
Enable Remember State

Check the box next to 'Remember current state of Tools pane' under the Open Settings section, then click 'OK' to save.

4
Collapse and Restart

Click the small arrow on the vertical divider to collapse the Tools pane, then close and reopen Adobe Reader to ensure the state is saved.

Configure Preferences to Remember the Tools Pane State
Settings Applied: Once saved, Adobe Reader will write this preference to your system registry, and future PDFs should open without expanding the Tools panel.
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Frequently Asked Questions

Why does the Adobe Reader Tools pane keep appearing by default?

Adobe Acrobat Reader DC is designed by default to display the Tools pane to highlight its premium features and tools. To stop this behavior, you must explicitly enable the 'Remember current state of Tools pane' option in the Documents preferences.

Will updating my Adobe Reader fix the Tools pane bug?

Yes. If your software is experiencing a persistent glitch where the 'Remember current state' option fails to work, navigating to Help > Check for Updates and installing the latest patch can often resolve unexpected UI behaviors caused by known bugs.

How do I completely hide the right-hand toolbar in Adobe Reader?

You can hide it temporarily by clicking the small collapse arrow on the vertical divider next to the pane, or by pressing Shift+F4. To keep it hidden permanently, you must combine this action with enabling the 'Remember current state of Tools pane' setting.