The quickest way to
import PST to Exchange Online is by using a professional tool like the
Advik PST Converter. This software allows you to efficiently transfer all your Outlook PST data—including emails, contacts, calendars, and attachments—directly into Exchange or Exchange Online mailboxes. It ensures that the original folder structure, metadata, and email formatting are preserved, providing a seamless migration experience. With its user-friendly interface, even non-technical users can perform the import in just a few clicks.
1. Run the tool and add .pst file.
2. Choose mailbox folders.
3. Select Exchange Server as a saving option.
4. Enter your Exchange Online account login details and click Convert.