There are various MBOX to PST Converter tool outside to convert MBOX files to EML format without any restrictions. But to find out the real and secure tool is another level of hassle. Therefore, I suggest Weeom MBOX to PST Converter tool. This tool has step by step approach to complete this process and convert multiple MBOX files to EML as well as PST, MSG, etc file formats. This MBOX converter supports more than 20 + email clients and export MBOX files to Live Exchange Server and Office 365. Moreover, with the help of this tool users can convert first 50 items per folder from MBOX to EML freely.
Read more: https://www.weeom.com/blog/how-to-convert-mbox-to-pst-file/