Additionally, when you search for mail items by using the Mac OS native Spotlight Search, your search is unsuccessful. In Microsoft Outlook 2016 for Mac, you receive a 'No Results' message when you try to search for an email message or apply a filter to a folder, and task items are not displayed in the Tasks folder. This Microsoft support article has more detailed information on search issues and troubleshooting tips. I thank my lucky stars every day that we dropped Outlook support for everyone right before I started working here. In the Troubleshooting section, select Rebuild. Have you tried re-indexing Spotlight MS devs were too lazy to engineer their own search, so they just piggy-backed off of spotlight, which breaks all the time.Also, fix indexing options greyed out in Outlook. In the 'Change the Outlook stores indexed by Windows Search', click Indexing Options Your users should now be able to start Outlook 2013 with the Please wait while Windows configures Microsoft Office 64-bit Components 2013 message. Tips to fix Outlook 2016 instant search not working or not showing all results & mail items.Modifying your query may resolve this problem' or 'Outlook cannot perform your search.' You may also receive a message 'Instant search encountered a problem while trying to display search results. If your search function isn't finding any of your messages or only recent messages in the last two weeks, you may need to rebuild the search index.