Fix Microsoft Office Apps Freezing When Entering Email Addresses or @Mentions
Question details
Users experience Microsoft Office applications freezing when attempting to enter an email address or select a contact from an @mention list.
- Product
- Microsoft Office (Outlook, Excel, Word)
- Device & OS
- not provided
- Scenario
- Typing an email address or selecting a contact using the @mention feature within a document or email draft.
- Observed behavior
- The application (Outlook, Excel, or Word) completely freezes and becomes unresponsive. The issue may temporarily resolve after a restart but often returns.
Save any open documents in other applications to prevent data loss, and ensure you have administrator privileges on your computer to modify application settings.
Run the Microsoft Office Repair Tool
Using the built-in Windows repair tool can automatically fix corrupted Office application files that cause freezing during data entry.
Windows includes a built-in utility to repair installed Microsoft Office programs. This process scans core files and replaces any damaged components that might be triggering the freeze when accessing contact lists.
Click the Windows Start menu, select 'Settings' (the gear icon), and then click on 'Apps'. Choose 'Apps & Features' from the left sidebar.
Scroll down the list of installed applications until you find your version of Microsoft Office, then click on it to reveal the options.
Click the 'Modify' button. If prompted by the User Account Control to allow changes, click 'Yes'.
Select 'Quick Repair' and click the 'Repair' button. If the issue persists after a Quick Repair, repeat these steps and select 'Online Repair' for a more comprehensive fix.
Launch Office Apps in Safe Mode and Disable Add-ins
Running the application in Safe Mode bypasses third-party add-ins, helping you determine if a conflicting extension is causing the freeze.
Use Microsoft Support and Recovery Assistant (SaRA)
If manual troubleshooting fails, this official diagnostic tool can identify and resolve complex configuration or installation issues.
Switch to WPS Office to Avoid Freezing Issues
If Microsoft Office applications continue to freeze and disrupt your workflow while typing emails or using @mentions, consider switching to WPS Office. It provides a lightweight, highly stable environment for all your document, spreadsheet, and presentation needs without the hassle of unexpected crashes.
Frequently Asked Questions
Why does Outlook freeze specifically when I type an email address?
This usually happens because the application struggles to instantly access a corrupted autocomplete cache or conflicts with a third-party address book add-in trying to load contacts in real-time.
Will reinstalling Office fix the @mention freezing bug?
Reinstalling can fix the issue if it stems from deeply corrupted core files. However, running the built-in Online Repair tool or using the Support and Recovery Assistant (SaRA) is recommended first, as they are faster and often solve the underlying registry or cache issues.
What should I do if Safe Mode fixes the issue but disabling add-ins does not?
If Safe Mode prevents the freezing but manually disabling COM add-ins does not resolve it in normal mode, the issue might be related to hardware graphics acceleration or a corrupted user profile. You can try disabling hardware graphics acceleration by navigating to File > Options > Advanced in the Office app.
