


Check Microsoft Outlook in the indexing options and save the changes. Now you need to enable Outlook Indexing in Search Settings, which was previously disabled. Open an elevated PowerShell console and restart the WSearch service:
#How to tell outlook 2016 indexing is complete windows
In the properties of Outlook OST and PST files, make sure that their indexing is allowed (it is worth to do regardless of their indexing being already enabled in Windows Search Service settings).
