The impersonation method is for administrators backing up Office 365 mailbox to PST for a company’s domain, which allows to impersonate user's account . Please check the below points before applying impersonation:
No, Office 365 mailbox to PST can be taken using individual login details as well.
Yes, Outlook installation is necessary to export O365 emails to PST.
Yes, the tool is compatible with all versions of Outlook 2007, 2010, 2013, 2016(32 and 64-bit)
No, the Office 365 Converter tool can only save exported .pst file(s) to a folder location on the local machine.
Yes, the Office 365 Export Tool allows to export Office 365 Emails to EMLeasily, You can also Apply Naming Convention for easily determining the emails as per the conventions after migration.