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How to Fix Excel Selecting the Wrong Cells and Corrupting Workbooks
Question details
The user is experiencing severe Excel glitches, including incorrect cell selection, disappearing rows, and corrupted workbooks, requiring a complete installation repair.
- Product
- Microsoft Excel
- Device & OS
- Windows
- Scenario
- Using Microsoft Excel for spreadsheet tasks but encountering severe UI and functional glitches.
- Observed behavior
- Excel selects the wrong cells, rows disappear, formatting becomes corrupted, dialog boxes appear blank, ribbon commands fail, and VBA errors occur.
Before attempting a complete reinstallation of Office, create a new Windows user profile and test Excel there to determine if the corruption is limited to your current user account configuration.
Completely Uninstall and Reinstall Microsoft Office
Use Microsoft's official uninstall support tool to completely remove corrupted Office files and registry entries before reinstalling.
Standard uninstallation methods, Office Repair, or running Excel in Safe Mode often fail to resolve deep-seated corruption in the Office installation or registry keys. The official Click-to-Run removal tool completely cleans these residual files.
Download the official Microsoft Office uninstall support tool (Support and Recovery Assistant) from the Microsoft website.
Launch the tool, follow the prompts, and explicitly select the Click-to-Run removal procedure to ensure all corrupted installation files are targeted and deleted.
Once the removal process is complete, restart your Windows computer to clear any lingering active processes.
Log in to your Microsoft account portal, navigate to your subscriptions, and download a fresh installer to reinstall Microsoft 365.
Use WPS Office as a Stable Alternative for Corrupted Excel Workbooks
If Microsoft Excel continues to glitch, crash, or select the wrong cells even after a full reinstallation, consider switching to WPS Office. It is a free, lightweight, and highly stable alternative that perfectly supports Microsoft Excel formats.
- 1. Download and Install: Download WPS Office for free and follow the quick installation prompts.
- 2. Launch WPS Spreadsheets: Open the WPS Spreadsheets module from the main workspace.
- 3. Open Your Workbooks: Go to File > Open and select your existing .xlsx files to continue working seamlessly.
Frequently Asked Questions
Why is Excel selecting multiple cells when I only click one?
This usually happens if the 'Extend Selection' mode is active. Look at the bottom status bar in Excel; if it says 'Extend Selection', press F8 on your keyboard to toggle it off. It can also be caused by a stuck Shift key on your physical keyboard.
How can I safely open an already corrupted Excel workbook?
Open Excel first, go to File > Open, and browse to your corrupted file. Instead of just clicking 'Open', click the small arrow next to the 'Open' button and select 'Open and Repair'. This built-in feature will attempt to recover your data.
Can a faulty Excel Add-in cause cell selection issues?
Yes, outdated or incompatible third-party add-ins can severely interfere with Excel's UI and core functionality. You can isolate this by holding the Ctrl key while launching Excel to start it in Safe Mode. If the issue stops, go to File > Options > Add-ins to disable the problematic extension.
