MailsDaddy Tenant to Tenant Migration tool is the most popular solution to open tenant mailbox to another Office 365 tenant. It manages users, mailboxes, contacts, calendars, tasks etc. during migration. This single solution is enough to move items from one Office 365 to another without any command line.
Read more: https://www.mailsdaddy.com/off....ice-365-to-office-36
Service: https://www.mailsdaddy.com/services/

MailsDaddy Zimbra to Outlook Converter tool is the most popular solution to convert and open Zimbra TGZ files to Outlook PST format. The application supports all Windows OS and easily migrate email, contact, calendar, task, etc. from TGZ to PST format. You can also download the free demo version first and move up to 20 items from each folder.
Read more: https://www.mailsdaddy.com/zimbra-converter/

MailsDaddy Thunderbird to Outlook converter tool is designed to export emails from Thunderbird to PST, EML, MSG etc. It comes with the lots of professional features like preview, batch migration, email filter etc. It is compatible with all Windows OS and allows user to move first 20 items from each folder.
Read more: https://www.mailsdaddy.com/thu....nderbird-to-outlook-

MailsDaddy MBOX Converter tool is the most popular tool to move single or multiple MBOX file to Outlook PST format. This single GUI application software keeps all mail formatting, header, inline images, attachments etc. during the whole migration. You can install the free demo edition of the software and move up to 20 emails from each folder.
Read more: https://www.mailsdaddy.com/mbox-to-pst-converter/