Top 2 Free Methods to Import PST Files to Office 365 Without Any Data Loss

Migration of data by keeping it completely safe and secure is one of the most challenging tasks. And, when it comes to moving Outlook PST to Office 365 account, the manual procedures are very slow and complex to perform. These methods to import PST file into Office 365 includes creating PST files from Outlook and after that importing it to Exchange Online account. However, there are two free and manual methods available import PST files to Office 365 i.e., Network Upload & Drive Shipping. Thus, to let users know about these already existing techniques, complete stepwise procedures are explained here.

Why Users Import PST Files to Office 365?

There can be several possible reasons behind the migration of PST to Office 365. But here we have covered some of the major advantages of Office 365:

  • Minimize the risk of data destruction as Office 365 offer better safeguards to store emails.
  • Office 365 allows users to archive mailboxes, which provides users an additional mailbox storage space to save their large data in an efficient manner.
  • Office 365 suite provides deep search option for content in mailboxes & sites via Microsoft eDiscovery tools.

Multiple Manual Approaches to Import PST Files to Office 365

In order to move PST file to Office 365 account, there are two manual approaches available that one can use. Both of them are discussed below with step-wise procedure:

Approach 1: Migrate PST to Office 365 Via Drive Shipping

One can import PST to Office 365 account by using Drive Shipping. In order to do the same, follow the steps listed below:

  1. To start the process, you need a hard disk, which is BitLocker-encrypted
  2. After that, you have to copy the Outlook PST file in it
  3. Then, you need to carry BitLocker-encrypted hard drive to Microsoft data center physically
  4. When the hard disk containing Outlook PST file reached Microsoft data center, the data personnel will begin the uploading process of PST file on Microsoft cloud at a temporary location
  5. At last, you have to use Import feature of Office 365 in order to move PST to O365 account 

Approach 2: Use Network Upload Method to Import Outlook PST to Office 365 

An alternative method to import PST to O365 account is with the help of Network Upload. Now, to perform this method successfully, follow the steps mentioned below:

  1. First of all, copy the SAS URL and install the Azure AzCopy on the local machine
  2. Then, simply move Outlook PST into Office 365 account
  3. Now, look at the Outlook PST files list that you have uploaded to O365 account (It is Optional)
  4. After that, simply create Outlook.pst file to map importing
  5. Finally, you need to create a PST import job in O365 account
  6. Here, simply filter out the data and start the import process

Limitations of Manual Process: 

The manual process to import PST file into Office 365 account has certain disadvantages other than the slow response rate. Some of them are discussed below:

  • The PST files that are moved to Office 365 may get damaged by going through this process.
  • Various network attacks may lead to eavesdropping of your important data.
  • Man in the middle attack can re-route a data exchange and may not move PST to Office 365 account.

A Professional Tool to Import PST File to Office 365

There are many drawbacks of using manual approaches to import PST to O365 account. Thus, to overcome all such limitations in a proper way, a user is suggested to take help of a third-party tool. Office 365 Import tool is one such application that let users import PST to Office 365 in a seamless manner. The software is specially designed in a manner that a user is allowed to move PST file in both admin and user account of Office 365. The interface of the application is so easy that no one will face any difficulty while using it. Apart from this, it can easily be installed and launched on any Windows version without any hassle.


Whenever it comes to moving from desktop-based application to cloud, the process becomes clumsy. Therefore, users keep on searching for the proper way to import PST to Office 365 account. It can be done manually in two ways i.e., via drive shipping and network upload. However, due to some limitations of the manual process, a user is recommended to use a professional solution suggested above.

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