This will start a troubleshooting wizard in which you can select the option “E-mail doesn’t appear in search results”.
In addition, to get the Search Folders on the server, they must be active.
If they are inactive, the icon will show transparent and the name of the folder is italic.
If you just upgraded your desktop email client to the latest version, you also might be facing Outlook 2016 Search issues.
Since Outlook is a most popular email client being used to send and receive bulk emails in a significant number of organizations as well as at personal level; it must be maintained and upgraded on a regular basis.
If your company has Outlook Anywhere enabled and you are allowed to configure your mail account on a non-corporate computer, then you could create the Search Folders on that computer and use the above steps to get tem to OWA as well.
Instant Search doesn’t display any results at all, only displays results before a certain date or always shows that there are items left to index. In order to fix these you should scan your pst-file for errors with
Most likely you are working with Outlook in Cached Exchange Mode (which is recommended and also the default).
In that case, the Search Folders are not visible on the server.
If your pst-file has been marked but Outlook doesn’t display the correct results, it usually means there is some corruption going on in your pst-file.