Here are some troubleshooting steps that you can try to fix Outlook Search Not Working:
Restart Outlook. Sometimes, a simple restart can fix the problem.
Rebuild the search index. This will rebuild the index that Outlook uses to search for emails. To rebuild the search index, go to File > Options > Search, and then click on Rebuild.
Disable add-ins. If Outlook Search is working in Safe Mode, then you can try disabling add-ins to see if one of them is causing the problem. To disable add-ins, go to File > Options > Add-ins, and then select COM Add-ins. Click Go, and then clear the check boxes next to any add-ins that you want to disable.
Repair Outlook. If disabling add-ins does not fix the problem, you can try repairing Outlook. To repair Outlook, go to File > Account Settings > Account Settings, and then select the account that is not working. Click Change, and then select Repair.
Reinstall Outlook. If repairing Outlook does not fix the problem, you can try reinstalling Outlook. To reinstall Outlook, go to Control Panel > Programs and Features, and then select Microsoft Office. Click Change, and then select Repair. If the repair option is not available, you can select Uninstall and then reinstall Outlook.
Update your antivirus software. Outdated antivirus software can sometimes conflict with Outlook and cause the search function to malfunction. Make sure that your antivirus software is up to date.
Update your operating system. Outdated operating systems can sometimes conflict with Outlook and cause the search function to malfunction. Make sure that your operating system is up to date.
I am working on MS outlook account for communicating properly for any kind of small or big tasks. MS outlook email service is one of the most popular email applications, which is mainly used by all types of businesses. Countless users select this emailing service for various purposes. From a few days, my Outlook search function is not working properly, so I am not able to search any type of tasks. I don’t have the permanent resolutions to resolve outlook search not working issue. So anyone can recommend the effective methods to resolve this technical problem.
-- Edited by flygc on Wednesday 13th of January 2021 12:53:01 PM