Arrow Keys Not Working in Excel: Fix Scroll Lock and Other Causes

When arrow keys scroll the sheet instead of moving between cells, Scroll Lock is the most common cause. If the keys fail in every app, suspect the keyboard or Windows accessibility settings; if they fail only in Excel, check sheet protection, add-ins and Office health before replacing hardware.

Start With the Symptom, Not the Hardware

The fastest way to sort this out is to notice what the arrow keys actually do. If pressing an arrow key scrolls the whole worksheet while the active cell stays put, Excel is receiving the keystroke but treating it as a scroll command. That points to Scroll Lock rather than a broken key. If the arrow keys do nothing at all, or the same keys also fail in Notepad or a browser, the problem is more likely at the keyboard, Windows or driver level.

A second useful split is scope. Does the problem follow one workbook, or does it appear in every file you open? A single protected sheet can block cell-to-cell movement while other files behave normally. A problem that appears in all workbooks, including new blank ones, is more consistent with a keyboard state, an Excel add-in or an Office installation issue. Write down both answers before changing anything, because they determine which steps below are worth your time.

• Arrows scroll the sheet, cell stays selected: check Scroll Lock first.
• Arrows do nothing in Excel and other apps: test an external keyboard and Windows accessibility settings.
• Problem only in one file: check whether the sheet or workbook is protected.
• Problem in all files but only in Excel: test Excel safe mode and add-ins.

Check Scroll Lock First

Scroll Lock is the classic cause of arrow keys that scroll instead of moving the selection. Microsoft support guidance describes the tell clearly: if the sheet scrolls when you press the arrows, Scroll Lock is probably on. Many keyboards show a small indicator light with a lock icon and up/down arrows, but plenty of laptops and compact keyboards give no visible sign at all, which is why the behavior can seem to start for no reason.

The fix depends on your keyboard. If there is a dedicated ScrLk key, press it once. On laptops where Scroll Lock shares a key, you may need to hold the Fn key while pressing it. If no key is labeled, open the Windows On-Screen Keyboard and click its ScrLk button. Excel's status bar at the bottom of the window can also show whether Scroll Lock is active, so check there before and after toggling.

• Look for a Scroll Lock indicator light on the keyboard.
• Press ScrLk once, or use Fn plus the key that carries Scroll Lock on your laptop.
• No labeled key: open On-Screen Keyboard from Windows and click ScrLk.
• Confirm the change on Excel's status bar, then test the arrow keys in a blank cell.

Rule Out Windows Accessibility Settings

Windows accessibility features can change how modifier and navigation keys behave, and they can make Excel feel unresponsive even when the keyboard is fine. Microsoft support guidance for Excel navigation problems recommends opening Settings, going to Accessibility and then Keyboard, and turning off Sticky Keys, Filter Keys and Toggle Keys, then reopening Excel to test.

This step matters most if the failure is intermittent or if other keys such as Tab and the space bar also misbehave. Filter Keys in particular can cause keys to be ignored when they are pressed quickly or held briefly. If turning these settings off restores normal movement, you have found the cause and do not need to replace any hardware.

• Open Windows Settings, then Accessibility, then Keyboard.
• Turn off Sticky Keys, Filter Keys and Toggle Keys.
• Close and reopen Excel, then test the arrow keys.
• If the problem returns, note which setting was re-enabled.

Check Sheet and Workbook Protection

A protected worksheet can restrict selection and editing, which makes navigation keys appear broken in that file only. In Excel, open the Review tab and look for Unprotect Sheet or Unprotect Workbook. If those options are present, protection is active. Do not attempt to break protection on a file you do not own or on a managed work device; ask the file owner or your IT support for access instead.

This is also the point to check a less common setting. Older Microsoft guidance for arrow and Tab key failures suggests clearing the Transition navigation keys option under File, Options, Advanced. That option changes how certain keys behave and is worth checking if Scroll Lock is off and the file is not protected.

• Review tab: look for Unprotect Sheet or Unprotect Workbook.
• If the file is protected and not yours, request access rather than forcing changes.
• File, Options, Advanced: clear Transition navigation keys if it is selected.
• Test in a new blank workbook to confirm whether the issue is file-specific.

Test Excel Itself With Safe Mode and Add-Ins

If the keys work in other programs but not in Excel, the next step is to see whether an add-in is interfering. Microsoft support guidance recommends opening Excel in safe mode by pressing Windows+R, typing excel /safe and choosing OK. If navigation works normally in safe mode, an add-in is the likely culprit.

To isolate it, go to File, Options, Add-ins, select Excel Add-ins and choose Go, then clear the listed add-ins. Repeat for COM Add-ins. Restart Excel and test. If the problem is gone, re-enable add-ins one at a time, restarting Excel after each change, until the faulty one reappears. This is a process of elimination, not a permanent fix, so keep notes on what you disabled.

• Open Run with Windows+R, type excel /safe, press OK.
• If arrows work in safe mode, suspect an add-in.
• Disable Excel Add-ins and COM Add-ins, then restart Excel.
• Re-enable one at a time to identify the conflict.

When the Keys Fail Everywhere

If the arrow keys also fail in Notepad, a browser or another Office app, the problem is outside Excel. Test with an external USB keyboard if you have one. If the external keyboard works, the built-in keyboard is the likely source and cleaning or service may be needed. If the external keyboard shows the same failure, the cause is more likely software or driver related, and further Windows troubleshooting is warranted.

On a managed work laptop, stop before installing drivers or changing system settings and contact IT support. Also back up important files before any repair that touches Office or Windows, since repairs and reinstalls can interrupt work in progress.

• Test the same keys in another application.
• Try an external keyboard to separate hardware from software.
• Back up important workbooks before Office or Windows repairs.
• On a managed device, contact IT before changing drivers or system settings.

Repair Office, Then Decide About Hardware

If Scroll Lock, accessibility settings, protection and add-ins are all ruled out, Microsoft guidance suggests repairing Office. In Windows, open Settings, go to Apps and then Installed apps, find Microsoft 365 or Office, choose Modify and run Quick Repair first. If that does not help, Online Repair is the more thorough option and can take a while, so plan for it rather than cancelling midway.

Buying a new keyboard is justified only when the evidence points to hardware: the same keys fail in every application, an external keyboard works correctly on the same computer, and cleaning or reconnecting the original keyboard does not help. If the keys work in other apps and only Excel misbehaves, a new keyboard will not solve the problem. Keep your existing equipment and finish the software checks first. If the failure began after a Windows or Office update and affects only one managed device, IT support is the right next step rather than a purchase.

• Run Quick Repair, then Online Repair if needed.
• Replace hardware only if keys fail in all apps and an external keyboard works.
• Do not buy a keyboard when the fault is limited to Excel.
• Escalate to IT support on managed devices before further changes.

More home-office fixes and buying guides