Attach Outlook PST File Option

It is an advanced utility, which also focused on the hierarchy of folder structure. This PST to Office 365 migration tool helps to maintain an orientation of the items and folders of the source file when you import PST to Office 365 account. If a user checks this option, it will create a new folder in Office 365 with the original name of PST file and preserves the same folder hierarchy as the original. This helps to avoid any confusion in accessing data when you upload PST file to Office 365 account.