Microsoft’s Mail services as Outlook, Gmail performs ads for revenue but will not use users mail data to target ads. Outlook does scan for security threats. Outlook has provided support to users by scanning for security threats as phishing links and possible malware attachments. But is your mail read at any stage of these process.
In these cases, Outlook also has provided service for using third-party app. With these apps users can frequently check their security settings. So users must not be freaked about the security issue for their mail service. As the service provider do have prepared solutions for securities.
How to scan your Email?
• In your Microsoft Outlook open folder list view
• Hover over and highlight PST file, folder or Email you want to scan
• Click on tools and scan for threats.
Next you can see the report of scan and verify. After getting the scan result click exit on the Demand Email Scan screen.If those scanning method don’t work out, give a call to 1-855-617-9111 and solve your problems.

More Info: https://www.outlook-technical-help.com/