One of the best ways to back up Office 365 mailbox to PST is by using a professional Office 365 Migration Tool. this utility will help users to accomplish this task by ensuring high data integrity. Apart from this, if you want to perform this task manually, then you can go through an informative article that I have recently explored. This article precisely explains the detailed manual process to backup Office 365 mailbox to PST using a free built-in eDiscovery export tool. To accomplish this task, you need to perform the following stages.
- Assign permission and check for the Export role.
- Create and Run a new Content Search.
- eDiscovery Export Tool – Backup Office 365 mailbox to PST.
However, this article will also introduce you to an advanced Office 365 Migration Tool which ensures high data integrity throughout the whole process. Additionally, it eases the backup process for non-technical users.