With the quotas available in Office 365, you probably won't need to create a. pst files) to give you additional storage capability.
Outlook allows you to create Outlook Data Files (personal folders or. pst File To Your Office 365 Account for more information. The 100GB quota in Office 365 provides ample storage for email and all of your email is kept in one place. pst files be imported/moved into Office 365.
