If you have a large number of EML files and want to move them into Outlook, converting them to PST is one practical option. You can use an EML-to-PST converter that preserves the email content, attachments, and folder structure where supported. SysTools EML Converter is one tool that can be used for this type of conversion. Before converting everything, it’s a good idea to test it with a few EML files first. to read more: https://www.systoolsgroup.com/eml/converter/