There are multiple reasons for converting PST files to EML some are mentioned below: 

1. The Outlook PST file only supports Microsoft Outlook but the EML file supports multiple email clients. 
2. If the PST file gets corrupted so it will harm the complete PST file, whereas the EML file creates separate files of different emails. 
3. Outlook is paid but the EML supports multiple email clients that are free. 
4. EML files are shareable whereas PST file only works in Outlook. 

For converting PST to EML use MailsDaddy PST to EML Converter which is the direct method to migrate the Outlook mailbox. This software has multiple unique features are: 

1. Repairs the corrupted PST files.
2. Multiple export options including PST to MSG, EML, MBOX, Office 635, HTML, etc.
3. Supports archived PST files.
4. Exports Contacts to VCF and Calendars to ICS format.
5. Easy to use 
6. Gives 100% accurate results.
7. Customer supports 24*7.