Most users see a maximum of 250 items initially .
In some versions, you can simply click More to continue loading messages from the server . Search results for office 2016 (68)
In Outlook 2016 and later, the application first submits a query to the Exchange server before rendering results . How to View More Results Most users see a maximum of 250 items initially
If your search results are consistently lower than expected or missing files, it may be due to: Troubleshooting Outlook search issues - Microsoft Support Search results for office 2016 (68)