Migrate PST To Office 365 - Top 2 Method

Updated by Bruce Cage on Aug 5, 2021

Written by Eddie on Jan 02, 2020

About the Author

Office 365 is a service offering you a wide array of commonly used applications that provide you services like, Sending Emails, Receiving Emails, Calendars, Tasks, Events. This Business suit helps the user to store their documents on the cloud with storage available in a single drive. Microsoft 365 encompasses subscription plans, as well as Cloud base software as a service product for business environments .

PST( Personal Storage Table) is a file format used to store data in Microsoft Outlook. Every email account created in Outlook gets its database, which is the PST file that stores contacts, calendar items, emails, and reminder messages.

When To Import PST To Office 365

Microsoft Outlook stores its data in .pst format and Office 365 doesn’t support this file format. Office Webmail doesn’t provide any feature to export .pst files. So we have to search for an alternative solution to migrate .pst file to Office 365

Queries related to PST to Office 365 Migration

“ Hello I am Oliver, I have my Outlook mail backup in my hard drive and now I want to move my data to Office 365. It’s possible to upload .pst file to Office 365?”

“For the past 4 years, my company has used Outlook as mailing agents but now they change it to Microsoft Office 365. Now I have my outlook email backup but I can’t access it at Office 365 and they are important emails for my company. Can you suggest a reliable solution?”

How to Import Outlook .pst file to Office 365

These types of issues are frequently faced. Let’s discuss some solutions to these problems. After searching over I came across 2 best ways to import pst to office 365

  • #1. Using PST Migration Tool
  • #2. Using Outlook Mailing Client.

Let’s discuss these methods and check how they help us to upload outlook pst to office 365. .

Method 1 - Migrate PST File To Office 365 Instantly

PST Migration Tool is software that helps you to import .pst files to office 365 Email accounts. This application supports .pst files from Outlook different versions. This Software ensures proficiency in converting data and maintains its accuracy.

Some Features of this too are

  • Maintain Folder Hierarchy: It preserve and hold folder and sub-folder hierarchy
  • Preserve MetaData: Keep all email metadata (cc, bcc, date, time, signature, etc) intact with emails.
  • Migrate data from multiple accounts.
  • 100% Safe and Secure Utility

FREE DOWNLOADWindows 11/10/8/7


  • Enable Third Party Acess from Office 365 Security Settings

How PST To Office 365 Migration Tool works

Following are the steps that help you to Migrate PST To Office 365

Step 1. Run PST To Office 365 Migration Tool in your system.

import pst to office 365

Step 2.There are 2 options to add Outlook PST file .

Option 1. “Convert Configure Outlook Mailbox Data” (It Automatically access your Outlook Account and convert your data)

*Note- Your Outlook Account should be Login at that system.

Option 2.Option 2 - “Let Me Select My Outlook Mailbox Data” ( Here you can select your .pst file from your internal or external storage) and click the Next button.

pst to office 365 migration tool

Step 3. Now Choose the folder you want to export and click the Next button. .

migrate pst to office 365

Step 4. Select the saving Option as Office 365.

upload pst file to office 365

Step 5. Enter your login credential for Your Office 365 account.

pst to office 365 migrator

Step 6. You can also choose Advance Email Filter options and transfer particular mail from selected folders.

open pst file in office online account

Step 7.Click the Convert button to migrate .pst file to Office 365 mailbox.

export pst file to office 365


  • *If you want to upload multiple PST files into Office 365. For that place all Outlook PST files in one folder and click Add Folder from menu.

There are some key features of this software that make it stand out, they are

  • Wide Range of File Format Option.This Application provides you with different file format options to convert your data. There are 20+ file formats in which you can transfer your data such as EML, EMLX, TXT, PST, MBOX, HTML, MHT, XPS, RTF, DOC, ICS, vCard, CSV, TIFF, BMP, GIF, JPEG, PNG, PDF, Maildir, and OLM.
  • Move PST Files To Different Desktop Mailing Clients PST Migrator Tool can export Outlook Email backup files to different Mailing clients like, Mozilla Thunderbird, Zimbra, Mailbird, E-mail client, Lotus Note, etc. It transfers your entire data but you have to download that particular client in your system.
  • Advance Email Filters This tool provides an Email filter that helps the user to select a particular message and minimize the whole conversion to the selected one. Users can apply filters like - Date Range, To, From, Subject, etc and transfer only important emails.
  • Maintain Email HierarchyPST Migrator Tool ensures that while transferring your emails there will be no changes in emails folders.
  • Large File This software can convert large .pst files with ease and also maintain data accuracy and loss.
  • It can also access your Outlook account and automatically convert your Email in .pst file format. No need for a separate data file.

Method 2: Export PST File To Office 365 using Outlook.

In this method, we can transfer the backup files to o365 using Outlook Desktop Mailing Client.

Step 1.Configure your Office 365 account with Outlook

Step 2 - After configuring your account, Select File option > Open and Export.

Step 3 - Now load the .pst file from your internal or external storage.

Step 4 - Select Export option in the file section

Step 5 - Your .pst files are uploaded to your Office 365 account.

Conclusion - Today we had discussed 2 methods to Migrate PST file To Office 365 account. I came to the conclusion that the manual method is quite complicated. At some point, you may require some technical help. In PST To Office 365 Migration Tool,follow some simple steps and your work is done. So I personally suggest you opt for an automated method.


Question 1 - Will I be able to migrate large files without losing my data?
Answer - Yes, PST To Office 365 Migration Tool export large files without losing any data.

Question 2 - Can I upload only selected folders in my Office 365?
Answer - Yes you can select the folders you want to upload. .

Question 3 - Do I need an Outlook Client to use the PST To Office 365 Migration Tool?
Answer - No you don't need an account to use this software.

Question 4 - How Many File saving options this software offers?
Answer - It gives you more than 20 file saving options ( PST, MBOX, OST, EML, HTML,EML,etc).. .

Question 5 - Can I run this software on Windows 10?
Answer - Yes, it supports all window versions. .

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How to Import PST to Office 365 on Windows 11/10/8/7

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