Importing an orphaned OST file into Microsoft 365 can be difficult because the original Outlook profile or Exchange account may no longer be available. The MailsDaddy OST to Office 365 Migration Tool helps users migrate OST mailbox data to Office 365 without relying on the original Outlook profile. It provides a simple interface to load the OST file, connect to the destination Microsoft 365 account, and transfer supported mailbox items while preserving folder hierarchy. This solution is useful for businesses and individuals who need to recover accessible mailbox data and move it to Microsoft 365. Before migrating, ensure you have the required permissions and destination account credentials. Learn more about the MailsDaddy OST to Office 365 Migration Tool to explore its features and migration options.