A reliable way for Outlook OST to Office 365 migration involves using specialized third-party tools for seamless conversion and transfer of emails.This step ensures that your OST data is available in a portable format for migration. Convert OST to Office 365 account: Start by converting the Offline Storage Table (OST) file into a Office 365 account by using a reliable OST to PST conversion tool, such as Outlook OST to Office 365 migration tool.
