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Fix Excel for Mac Crashing and Not Accepting Login Details
Question details
The user needs a solution for Microsoft Excel crashing at startup and failing to accept login details or save data.
- Product
- Microsoft Excel for Mac
- Device & OS
- macOS (Apple Silicon)
- Scenario
- Launching the Excel application and attempting to log in or interact with macOS keychain prompts.
- Observed behavior
- Excel crashes at startup, displays an unresponsive keychain prompt, fails to save data, and rejects login credentials even after the application is reinstalled.
Before proceeding with disk repairs or application removal, save your work in any other open applications and ensure you have a recent Time Machine backup of your Mac.
Verify Startup Disk and Reinstall Excel
Use the built-in macOS Disk Utility to repair file system issues, then perform a clean installation of the latest Excel version.
System-level disk errors or corrupted application files can cause persistent crashes and unresponsive keychain prompts on Apple Silicon Macs. Running First Aid and reinstalling the software usually resolves these underlying conflicts.
Navigate to Applications > Utilities and open 'Disk Utility'. Select your Mac's startup disk (usually Macintosh HD) from the sidebar and click the 'First Aid' button to verify and repair errors.
Close all active Microsoft Office applications. Open your Applications folder, locate Microsoft Excel, and drag the application to the Trash.
Restart your Mac and empty the Trash. Log in to your Microsoft account online, download the latest version of Office for Mac, and follow the installer prompts to reinstall.
Collect Crash Report for Microsoft Support
If Excel continues to crash after a clean installation, gather the crash logs to get advanced keychain troubleshooting help from Microsoft.
Use WPS Office for a Stable Mac Experience
If Microsoft Excel continues to crash or face login issues on your Mac, consider switching to WPS Office. It is highly optimized for macOS and Apple Silicon, offering a smooth, crash-free experience without complex subscription logins.
- 1. Download WPS Office for Mac: Visit the official WPS Office website and download the macOS version.
- 2. Install the Application: Open the downloaded installer file and follow the simple on-screen instructions to set up WPS Office on your Mac.
- 3. Open Your Spreadsheets: Right-click your existing .xlsx files, select 'Open With', and choose WPS Office to resume your work without interruptions.
Frequently Asked Questions
Why does Excel for Mac display an unresponsive keychain prompt?
Excel uses the built-in macOS Keychain to securely store your login credentials. If these keychain entries become corrupted or permissions conflict with the OS, the prompt may freeze, become unresponsive, or repeatedly reject valid login details.
Will uninstalling Excel from my Mac delete my spreadsheets?
No, dragging Microsoft Excel from the Applications folder to the Trash only removes the application software. Your saved workbooks and spreadsheet files remain completely safe in your Documents folder or cloud storage.
How do I check my startup disk health on an Apple Silicon Mac?
You can verify your disk health by opening Disk Utility from the Applications > Utilities folder, selecting your main drive (Macintosh HD), and clicking the 'First Aid' button. This tool will scan the disk for file system errors and attempt to repair them.
