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For most reading, start with Multiple lines at a time in Windows: it gives you smaller, adjustable movements. Choose One screen at a time when you want a much larger jump with each mouse-wheel movement. Neither is best for everyone, so try the setting in the apps you use most.
How the two Windows scrolling settings differ
Windows lets you choose whether the mouse wheel scrolls Multiple lines at a time or One screen at a time. With multiple lines, you can also set how many lines each wheel movement moves. Microsoft documents both choices and the line-count control in its Windows mouse settings instructions.
| Setting | What happens | Good starting point |
|---|---|---|
| Multiple lines at a time | The wheel moves a chosen number of lines; you can adjust that number. | Reading text or browsing when you want more controlled movement. |
| One screen at a time | The wheel moves by a screen rather than a selected number of lines. | Moving quickly through long pages or documents when larger jumps are useful. |
These are practical suggestions based on the settings’ documented behavior, not measured performance results or a universal preference. If a wheel movement skips past the passage you want, try a lower line count or switch modes.
Choose based on how you use the wheel
- For reading: Begin with multiple lines and a modest line count. If each movement still carries you too far, lower the count.
- For fast navigation: Try one screen at a time for larger jumps through long material. Return to multiple lines if it becomes difficult to relocate a passage.
- For a mix of reading and navigation: Start with multiple lines, then change the mode when you want larger jumps. You can revisit the setting in Windows Mouse settings.
Test the result in the applications that matter to you. An individual app may handle wheel input differently; the Windows settings documentation does not establish that every app behaves identically.
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Change the setting in Windows
Windows 11
- Open Start > Settings > Bluetooth & devices > Mouse.
- Under Scrolling, open Roll the mouse wheel to scroll.
- Select Multiple lines at a time or One screen at a time.
- If you selected multiple lines, adjust Lines to scroll at a time to change the amount.
Windows 10
Open Start > Settings > Devices > Mouse, then choose Multiple lines at a time or One screen at a time. When using multiple lines, adjust the line count there as well. Microsoft’s mouse settings guide covers the corresponding Windows 10 and Windows 11 options.
Other mouse controls are separate
Windows also offers controls for scrolling inactive windows when you hover over them and for scrolling direction. Those options do not decide whether the wheel moves by lines or by a screen; change them separately if needed.
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What to use on a Mac
Apple documents a Scroll speed slider rather than the same Windows choice between multiple lines and one screen. Go to Apple menu > System Settings > Accessibility > Pointer Control, then open Mouse Options or Trackpad Options and adjust Scroll speed. See Apple’s guides to scrolling speed on Mac and Pointer Control accessibility settings.
The available options depend on the device: Apple says a wireless mouse or trackpad must be connected, or the Mac must have a built-in trackpad, to change the corresponding controls. Third-party mouse driver software may also affect some options.
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If scrolling still feels uncomfortable
Adjusting wheel movement is one way to make input more comfortable, but it is not the only option. Windows and Apple document other accessibility and pointer controls, while Microsoft Edge includes features such as zoom and Read aloud. These are alternatives to consider for different needs, not substitutes for the Windows lines-versus-screen setting. See Microsoft’s pages on making input devices easier to use and accessibility features in Edge.
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