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How to Troubleshoot Microsoft SharePoint Crashes in Office for Mac
Question details
Microsoft SharePoint quits unexpectedly on macOS, frequently prompting crash messages related to the OneAuth authentication component.
- Product
- Microsoft Office for Mac / SharePoint
- Device & OS
- macOS Monterey (Intel Mac)
- Scenario
- Operating SharePoint or switching between Office apps and email clients, shutting down applications, or waking the Mac from a long sleep.
- Observed behavior
- SharePoint crashes unexpectedly and displays a crash report dialog, occasionally appearing behind other active windows.
Save your current progress in other Microsoft Office applications and ensure your Mac is connected to a stable network before running any updates or resetting your account.
Install the Latest macOS and Office Updates
Updating your software is the most effective way to resolve known bugs and conflicts causing the authentication component (OneAuth) to crash.
Microsoft frequently releases patches for Office apps to address compatibility issues with macOS Monterey. Ensuring that Office, OneDrive, and your operating system are on the latest builds can prevent background service failures when waking from sleep.
Open Microsoft Word or Excel, navigate to the top menu bar, click on 'Help', and select 'Check for Updates' to launch Microsoft AutoUpdate. Install any available updates.
Click the Apple menu in the top left corner of your screen, select 'System Preferences', click on 'Software Update', and install any pending macOS Monterey updates.
Re-authenticate Your Office Account
Since the crash frequently involves the OneAuth authentication component, signing out and back into your profile can refresh your session and clear temporary glitches.
Test with a Clean Mac User Profile
Using a clean user profile helps identify whether the SharePoint crash is caused by corrupted preferences in your primary macOS account.
Try WPS Office for a Stable Mac Experience
If Microsoft Office applications continue to crash or experience authentication errors on your Mac, consider switching to WPS Office. It provides a stable, lightweight platform for your word processing, spreadsheet, and presentation needs without heavy background services that drain battery or cause unexpected quits.
- 1. Download for Mac: Visit the official WPS website and download the macOS installation package.
- 2. Install the App: Open the downloaded file and drag the WPS Office icon into your Applications folder.
- 3. Open Your Files: Launch WPS Office and directly open your existing Microsoft Office documents to continue working without interruptions.
Frequently Asked Questions
Why does Microsoft SharePoint crash when waking my Mac from sleep?
When a Mac wakes from sleep, network connections require a moment to re-establish. Background authentication components like Microsoft OneAuth may time out if they attempt to verify your credentials before the internet connection is fully restored, resulting in an unexpected crash.
How do I collect an Office crash report on Mac?
When an Office app or SharePoint quits unexpectedly, a 'Microsoft Error Reporting' dialog box will appear. Click the 'More Details' button in this window to view the raw log. You can copy this text and paste it into a document to share with Microsoft Support.
Does deleting macOS Keychain entries fix Office authentication crashes?
Yes, if the crashing is caused by corrupted credentials, opening the 'Keychain Access' app and deleting entries related to 'Microsoft Office' or 'ADAL' can force the application to generate a fresh, error-free authentication token upon your next login.
