If you want to convert PST to Office 365, then To manually convert PST to Office 365, export PST to Outlook and upload it via Outlook or PowerShell—however, this method is time-consuming and error-prone. In contrast, DRS Softech PST to Office 365 Migration Tool provides a fast, automated solution with bulk migration, no file size restrictions, and guaranteed data integrity. It retains folder structure, metadata, and works with all Outlook versions, ensuring a smooth and efficient migration process.