You cannot import a PST file straight into Office 365, so the best approach is to convert and migrate the data using the tool. It allows you to upload emails, contacts, calendars, and attachments directly into your Office 365 account. By selecting the PST file, choosing Office 365 as the target, and signing in with your account, the tool automatically transfers all mailbox items while keeping the folder structure intact. Also Read: https://www.cloudxena.com/blog/import-pst-to-office-365/