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How to Fix Microsoft Word Crashing Before Sign-in Screen
Question details
The user is unable to access Microsoft Word or Excel because the applications crash immediately before the Microsoft 365 sign-in screen can load.
- Product
- Microsoft Word
- Device & OS
- Windows
- Scenario
- Attempting to launch and sign into Microsoft 365 desktop applications.
- Observed behavior
- Word and Excel close unexpectedly before displaying the user login prompt, preventing access to the software and documents.
Before making system changes, ensure you have saved all open work in other applications and restart your computer to clear any temporary background processes.
Launch Word in Safe Mode and Disable Add-ins
Starting the application in Safe Mode bypasses faulty add-ins that might be causing the crash during startup.
Third-party plugins and add-ins often conflict with Microsoft Office's startup sequence. Safe Mode allows you to open the application with minimal features so you can isolate and disable the problematic extension.
Press the Windows key + R simultaneously on your keyboard to open the Run dialog box.
Type 'winword /safe' (without quotes) and press Enter. If you are troubleshooting Excel, type 'excel /safe' instead.
If the application opens successfully in Safe Mode, click on 'File' in the top-left corner, select 'Options', and then click on 'Add-ins'.
At the bottom of the window, ensure 'COM Add-ins' is selected in the Manage drop-down list and click 'Go'. Uncheck all add-ins in the list and click 'OK'.
Close the application and reopen it normally. If it works, re-enable the add-ins one by one to find the specific one causing the crash.
Run the Microsoft Office Repair Tool
The built-in repair tool can fix corrupted application files that prevent the login screen from loading.
Update Windows and Graphics Drivers
Outdated graphics drivers or pending Windows updates can cause compatibility issues with Office applications.
Avoid Startup Crashes with the Lightweight WPS Office
If Microsoft Office continues to crash or requires time-consuming repairs, try WPS Office. It is a highly compatible, free alternative that installs quickly, runs smoothly on older hardware, and opens your Word, Excel, and PowerPoint files natively without sign-in blockages.
- 1. Download the Installer: Visit the official WPS Office website and download the free setup file.
- 2. Install WPS Office: Run the installer and follow the quick setup wizard to install the software in minutes.
- 3. Open Your Files: Right-click any existing Office document and choose 'Open with WPS Office' to resume your work instantly.
Frequently Asked Questions
Will repairing Microsoft Office delete my documents?
No, running the Quick Repair or Online Repair tool only resets and fixes the application files. Your personal Word, Excel, and PowerPoint documents remain untouched and safe on your hard drive.
Why does Word crash specifically before the sign-in screen?
This usually happens due to corrupted local cache files, conflicting third-party COM add-ins, or network-related glitches when the application attempts to ping Microsoft's authentication servers.
What if Safe Mode doesn't fix the Word crash?
If running 'winword /safe' doesn't work, the issue might be deeply rooted in your Windows user profile or a corrupted Office installation. Creating a new local Windows user account or fully reinstalling Microsoft 365 are the next best steps.
Can outdated graphics drivers cause Office to crash?
Yes, modern Microsoft Office applications use hardware graphics acceleration to render their interface. If your display drivers are outdated or corrupted, the application can crash as soon as the graphical UI attempts to load.
