Does the software require Microsoft Outlook to be installed for the conversion to work?

[johnsnow8979]

No, Using MailsDaddy OST to PST we do need of Outlook. Just we need OST file and with the file it can converts into PST format easily and without any loss of folder structure and file. It also exports OST files in multiple format such as Office 365, EML, MSG, HTML, RTF, and many more.