MailsDaddy Office 365 Backup Tool is a simple and smooth solution to export O365 to Outlook PST file. An easy utility designed for Windows OS to backup complete mailbox of Exchange Online to PST format. User can easily use of GUI to migrate O365 to PST independently. There is no be an expert in technology to operate this perfect Office 365 backup software. It has several important features like multiple O365 mailbox migration, multiple export options, etc. It is a highly secure application useful for both User and the Admin to back up their mailboxes using a valid ID & password.