Overview of importing PST files and SharePoint data to Office 365

This article is for administrators. Are you trying to import PST files to your own mailbox or upload files to SharePoint or OneDrive for Business? See Import email, contacts, and calendar from an Outlook .pst file | Upload files to a library

You can use the Office 365 Import service to bulk-import PST files to Exchange Online mailboxes in your Office 365 organization. You can also use the Import service to bulk-import documents and other data from your on-premises organization to SharePoint Online and OneDrive for Business sites.

How to import data to Office 365

There are two ways that admins can import PST files and SharePoint data to Office 365.

Cloud upload

Network upload

Upload the data files over the network to a temporary storage location in the Microsoft cloud. Then you use the Office 365 Import service to import the data to mailboxes or sites in your Office 365 organization.

Hard disk

Drive shipping

Copy the data files to a BitLocker-encrypted hard drive and then physically ship the drive to Microsoft. When Microsoft receives the hard drive, data center personnel upload the data to a temporary storage location in the Microsoft cloud. Then you use the Office 365 Import service to import the data to mailboxes or sites in your Office 365 organization. Drive shipping is a good way to import data to OneDrive for Business sites.

See one of the following topics for the step-by-step instructions for importing PST files or SharePoint data to Office 365.

   

How to import PST files

Cloud upload

Use network upload to import PST files to Office 365

Hard disk

Use drive shipping to import PST files to Office 365

Cloud upload

Use network upload to import RMS-encrypted PST files to Office 365

For frequently asked questions about importing PST files, see FAQ about importing PST files to Office 365.

   

How to import SharePoint data

Cloud upload

Use network upload to import data to SharePoint Online and OneDrive for Business sites

Hard disk

Use drive shipping to import data to SharePoint Online and OneDrive for Business sites

For frequently asked questions about importing data to SharePoint Online and OneDrive for Business, see FAQ about importing SharePoint data to Office 365.

Why import PST files and SharePoint data to Office 365?

  • Importing PST files to user mailboxes is one way to migrate your organization's email to Office 365.

  • Importing data to Office 365 helps address compliance needs of your organization by letting you:

    • Enable archive mailboxes to give users additional mailbox storage space.

    • Place mailboxes and site on hold to preserve content.

    • Use Microsoft eDiscovery tools to search for content in mailboxes and sites.

    • Use retention policies and document deletion policies to control how long content is retained.

    • Search the Office 365 audit log for user and administrator activity in Exchange, SharePoint, and OneDrive for Business.

  • Importing data to Office 365 helps protect against data loss. Data that's imported to Office 365 inherits the high availability features of Exchange Online and SharePoint Online.

  • Data in Office 365 is available to users from all devices because it's stored in the cloud.

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