Use EML to PST Tool for how to open EML format in PST along with attachments. For bulk EML to PST conversion, you can go with the batch option of the tool. Also, it contains save attachment’s option as like save emails that has attachments or don’t save emails that has attachments. The software is workable for all EML files based mail clients i.e. Windows Live Mail, eM Client, Windows Mail, Turnpike, DreamMail etc. It also allows PST Split option to break the large size of PST files. To get more knowledge about how to open EML format in PST download this tool and use its free demo copy to clarify the whole process of how to open EML format in PST but it has some restrictions on file size.