To move EML emails into Outlook you first need to convert them to PST because Outlook does not support EML files. The best way is to do this is using the Mailvita EML to PST converter for Mac which helps to convert EML files to PST format in a few minutes. The converter allows you to convert all your EML files to PST format without losing any data including emails and folder structure. Just install the software then add EML file as the input and select PST as the output format before selecting "convert now." Once the conversion process is complete you can open your Outlook application and go to file Import/Export and import the PST file. This tool is one of the best ways to migrate all of your EML emails to Outlook securely without concern for missing data or errors.

Read more: https://www.mailvita.com/eml-to-pst-converter-for-mac/