Are you trying to convert your Thunderbird MBOX into PST file? The best software that can easily do that without any complexity is SysInspire MBOX Converter. This software can auto load any Thunderbird file and fix all its errors without any complex steps. You can use it easily without any technical knowledge. This software has the ability to convert Thunderbird into different email client media that is EML, EMLX, CSV, PST, Gmail, Office 365, Zimbra Desktop, IMAP Account and many more. This software cannot change any data present in the Thunderbird file that is Contact, Calendar, Background, Font Size, Photos, Font style and many more. 

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