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How to Effortlessly Import PST to Office 365 in Less Than 10 Steps

Admin | Modified: 2020-05-25T12:39:59+00:00|office365 | 6 Minutes Reading

This article consists of 4 methods to effortlessly import PST to Office 365 mailboxes. If you don’t know how to migrate your PST file into Office 365 Outlook mailbox, then understand the mentioned solutions and choose the right one for your organization.

Why Importing PST File to Office 365 is Necessary?

A .pst file is a personal storage table which stores the Outlook data such as emails, contacts, calendars, task, notes in a single file. Depending upon the requirement of user there are many cases due to which import pst to Office 365 becomes necessary.

  • Many organization stores the Office 365 mailbox data of an employee PST file when they left the organization. Sometimes, when somebody needs access to that account data then they can import that PST file in their Office 365 account.
  • Some users backup their Office 365 mailboxes to free up the store space and organize the mailboxes.
  • Import shared PST files into own account for accessing data.

Two Methods to Import PST to Office 365 Accounts

After researching for a solution, we have come up with 4 solutions for effortlessly importing PST files into Office 365 user account mailboxes. Following are the 4 solutions that we will be discussing below:

  1. Network Upload Method – Require Good Technical Knowledge
  2. Drive Shipping Method – Alternative Solution of Network Upload
  3. Import PST to Office 365 user accounts simultaneously – 100% secure
  4. Manually Import PST file Using Outlook – Single Account At a Time

Solution #1: Use Network Upload For Importing Multiple PST Files

The network upload solution is moreover a technical method that requires a good understanding of Office 365 Azure Center and PowerShell command-line knowledge. Following are the steps you need to perform for migration of PST file data in Office 365 mailbox:

  • Step 1: First, Copy the SAS URL and Install Azure AzCopy Tool
  • Step 2: Upload PST to Azure Active Directory
  • Step 3: Create an Import CSV file for mapping
  • Step 4: Create PST import Job
  • Step 5: Filter data and start the import job

Detailed Steps: https://docs.microsoft.com/en-us/microsoft-365/compliance/use-network-upload-to-import-pst-files?view=o365-worldwide

Note: Although this method is free to use, however, it requires very high technical knowledge and command for Office 365 admin center handling. If you don’t have much technical expertise, then we high-recommend for not using this method. The chance of error and corruption of the PST file is quite high, if not done properly.

Solution #2: Drive Shipping Method For Importing

After understanding the difficulties and complexity faced by users while using network upload, then Microsoft provided import service for users. This method is exactly same as Network upload, the only difference is, all the technical and hard parts will be done by Microsoft agents and they will charge you for that. In this, Admin/user has to initialize the process by creating an import job and creating CSV file for mapping. After that, placing PST file and CSV file into a hard drive and ship it to nearby Microsoft data center.

Note: This method will cost $2/ GB of PST file data that will be importing to Office 365 account. Every time when user needs to perform such a task, they have to follow the steps to perform this operation.

Working Steps: https://docs.microsoft.com/en-us/microsoft-365/compliance/use-drive-shipping-to-import-pst-files-to-office-365?view=o365-worldwide

Solution #3: Automated Solution to Import PST to Office 365

If you wish to import multiple PST files to multiple Office 365 mailboxes simultaneously, then the best solution is to use a third-party tool like Office 365 PST import tool. Such tools are specifically designed for such complex tasks to make the user’s life easy. The tool will take the burden of import process upon itself and provides a quick migration approach.

Note: The tool can import PST using with or without Admin account of Office 365. The tools working doesn’t alter according to geographical change (unlike Network upload and drive shipping, the method works fine for all over the world).

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Steps For Using Office 365 Import Tool

1. First, download & launch the Office 365 import tool

2. Click on ‘Is admin’ if login as Admin otherwise skip this step.

Tool Tip: If login as Admin, you can also import PST to Office 365 shared mailbox. Additionally, the tool doesn’t require user account password for importing PST file.

3. Choose between Add File/Folder/CSV buttons to import PST (if login without Admin, then require a password for each user)

import PST to Office 365

4. Select the Category of data to be imported from PST file & Apply filters

5. Click on Import button to starting the process

Solution #4: Import PST to Office 365 Using Outlook

This requires the installation of MS Outlook on your desktop if you don’t have Outlook installed then skip this method and choose from the other three.
If you have Outlook installed, then follow the simple steps for the migration of PST file data:

  1. Open MS Outlook, go to File tab (top-left corner).
  2. Choose “Add account” option from the window.
  3. Enter the details of Office 365 user account and click on “Configure”
  4. After the configuration is finished, go back to File tab and click Open >> Import/Export.
  5. Now, from import/export wizard choose “import from a program or file” option >> Next.
  6. From Import window, choose “Outlook data file (.pst)” option >> Next.
  7. Browse the PST file location from computer and click Next.
  8. Choose the destination folder in Office 365 for import PST file and click on Start button.

MS Outlook will start importing all the data from PST file into the Office 365 account. After finishing the process, login into Office 365 account and check for the new PST file data.

Note: The above steps are for importing a single PST file into a single Office 365 user account. This method is not suitable for organizational use, as it takes too much time in sync of Office 365 in Outlook and imports PST file.


The above write-up is about the best method to import PST to Office 365 mailboxes. All the methods have their own advantage over another. Users can choose the method according to their requirement and easily import multiple PST files into multiple user accounts.