Search tab not working, turns grey (specific to Outlook 2016).Outlook search does not find any matches.Outlook search not showing recent emails or can’t find older emails.Outlook fails to return any search results.When Outlook search not working in outlook, you may experience any of these issues : In outlook, Sometimes you get surprised when you find something went wrong and your search couldn’t be completed you encounter problems with the Outlook search function such as Outlook search does not find any matches, won’t work & Other Outlook Problems. You may further add filters to your Outlook search function to locate specific email items much more quickly. Microsoft Outlook features a search option that helps you find email items based on keywords. These workarounds apply to Microsoft Office 365, Outlook 2019, 2016, and 2013. It also describes workarounds on ‘how to fix Outlook problems’. Summary: This blog outlines Microsoft Outlook search problems such as ‘Outlook search not working’ and ‘returns no or incomplete results’.