MailsDaddy OST to Office 365 Migration Tool converts damaged, highly corrupted, offline, IMAP, inaccessible, Hotmail, and Exchange Server OSTs to O365. The software maintains the complete structure of the Outlook OST data moving OST securely to office 365 cloud mailboxes. It gives options to upload OST to multiple mailboxes of Exchange Online. The application never restricts any OST data item and keeps them protected during entire tasks. It helps in migrating each OST data impersonate and without impersonating mailboxes of Exchange Online account. During the process to import the OST file to Office 365, the tool does not require the Exchange Server email client. Get the most effective solution here: