MailsDddy Office 365 backup tool is the best solution to load and export Office 365 mailbox to PST format. This Microsoft 365 backup tool is designed to run on all Windows operating system and easily export mailbox into PST, EML, MSG, and MBOX file format. User can also use the free demo version of the solution and migrate up to 20 items from each folder. The application easily save emails, contacts, calendars, tasks etc. in a new PST file. It also has several key features like filter converison, exclude folder, date filter, batch migration etc. You can also backup in-place archive, shared and group mailbox in PST.