How differ EML and PST formats?

And how to convert the mail in EML format into the PST one?

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› See More: How differ EML and PST formats?

Both of them are file extensions which store various types of data like for example emails, notes, contacts and so on. Their main difference is in form of supporting email clients. The PST file format is supported only with MS Outlook and the EML one is technically more advanced, and because of that is used in many other email clients like Thunderbird or Apple Mail.
For changing the file format you can easily use such tools as Outlook Transfer or Outlook Import Apps. You can convert emails online https://convertemail.online/eml-to-pst-conversion/ too.