A dedicated migration utility can simplify this task. Aryson PST to Office 365 Migration allows users to add multiple PST files, preview mailbox data, and transfer PST content to Microsoft 365. Its folder mapping options help users select the required destination locations.
When you need to import PST to Microsoft 365, additional options such as date filters and duplicate email removal can help manage the transfer. The software also preserves the original folder hierarchy, helping users keep mailbox content organized during migration.