How to Migrate PST Files to Office 365

Author: Dominik Hoefling, Microsoft MVP for Apps & Services

A guide for IT teams looking to upgrade legacy content to the cloud

This guide outlines the process for migrating PST files to Office 365, providing steps for manual migrations and information on automated alternatives. 

In this guide you'll learn:

  • Why PSTs are a problem and the risks they pose
  • A step-by-step process for manually importing PST files to Office 365
  • How a managed migration service can save time and enhance security, while ensuring happy users and administrators.

Following high-profile cases such as the Sony hack in November 2014, when attackers penetrated and retrieved 179 PSTs containing some 73,000 messages from the mailbox of Sony Chairman Amy Pascal along with other data, it’s easy to understand why companies are reconsidering the use of PSTs.

Download the guide

How to migrate PST Files to Office 365

About the author

Dominik Hoefling is a Senior Consultant for atwork deutschland GmbH.

He currently works in Microsoft technologies, especially in Microsoft Exchange, Exchange Online and Office 365. He holds several Microsoft certifications including MCSA for Office 365, MCSE Messaging and MCITP Enterprise Administrator for Windows Server. Dominik also writes technical blog posts for international companies and various topics about Exchange Hybrid deployments, Identity, and Office 365.