One can opt for the best solution like MailsDaddy PST to Office 365 Migration Tool. It easily solves the problem of skipping the large PST file while uploading PST to Exchange Online. It is a helpful solution in resolving many other issues to migrate PST to O365. A complete independent utility with smart features that keeps the PST internal properties intact. Through this software, one can transfer as much as large PSTs without any complications and move it to the cloud platform of Exchange Online. The tool allows users to use its demo edition to check the functions and its working before buying the software. Read more: Import PST to Office 365