Import PST to Office 365

A trusted solution to upload single/multiple PST files into Office 365 accounts simultaneously. Import PST to Office 365 free tool is recommended by MVP's due to its ease of usability and functionalities such as incremental import, selective import, mailbox mapping, etc. This tool can perform PST to Office 365 migration with and without Admin impersonation

  • Import PST to Office 365 User & Admin Account in a Single Run
  • Upload multiple PST file(s) into Office 365 mailbox with No Size Limit
  • Import PST file items such as: emails, calendar, contacts & tasks
  • Date Filter for migrating specific date-range items of each category
  • Incremental Import: Skip already migrated items
  • Maintains all Attributes of Outlook PST file after import
  • PST to Office 365 migration tool is the best alternative of Azure Azcopy
  • Provides Multiple Mapping Features after freely importing PST to Office 365

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Compatible with all latest Windows OS

  • Safe & Secure Virus Total Safety Score: 100%

Advance Features of Office 365 PST Import Tool

Import PST to Office 365 Online Mailbox Instantly

Upload PST File(s) into Office 365

Office 365 Import tool understand the pain which users goes through while trying to manually upload PST file(s) into Office 365 user accounts simultaneously. Therefore, this application is purposely designed only to support user while uploading PST file emails and other items into MS Office 365.

Import Network PST File(s) to Office 365

The greatest benefit of using Office 365 Import tool is that it provides an option to import network PST files into Office 365. This unique feature will allow the user to upload PST files into Microsoft Office 365 account, if those files are in local network.

Selective Data Import

It is possible to attempt selective data migration with help of import PST to Office 365 tool. There are two options through which users can perform full and free PST to Office 365 migration:

  • Category Based Migration: Tick the checkbox in Office 365 PST import tool to selects particular data like emails, contacts, calendars and tasks.
  • Date-based Migration: Filters only the data with in the date range mentioned by the customers and import emails from PST to Office 365 easily.

Holds PST Folder Orientation

The import PST to Office 365 tool works in a way that the things are in same form as they were in previous manner. It provides an additional option to import PST to Office 365 by creating a folder with username and then, add PST folders within it. This measure also keeps data formatting and styling in exact manner as in Microsoft Outlook.

Import PST to Office 365 Free Without Limit

This tool is not imposed with any restriction of file size, which users need to keep in mind while working with it. No matter what is the size of PST file, you would easily be able to import PST to Office 365 targeted account without any restriction.

Office 365 Import Incremental Option

The incremental import approach of Office 365 PST Import tool makes pst to Office 365 migration quick by restricting duplicates data migration. It means, if any user has already uploaded PST file into Office 365 once, then in next attempts, the tool will only import data that is not already migrated.

Generates Report After Migration

This import PST to Office 365 software generates a fully functional report that tells what data is imported to Microsoft Office 365 and what all tasks have failed. In nutshell the user will receive a detailed report of the process to import PST to Office 365 online. This report can be used for future reference, for audit purposes.

Smart Feature of Pause and Resume

This pause and resume feature of Office 365 Mailbox Import tool is one of the smartest way to save time while uploading PST file(s) into Office 365 mailboxes. The processing of the application can be paused in between, if something goes wrong in the process. The process of Resume get only active when the particular thread is properly imported to the destination in Office 365. User will be able to resume conversion procedure from the exact point where it had left.

Recommended By MVPs

This is one of the most recommended software to by MVPs when it comes to import PST to Office 365 mailbox. It is because this software is integrated with so many advanced features and overcomes various limitations of manual procedures.

Data Integrity Intact

In most cases, the users have so many crucial emails in their PST files that they can’t afford to lose. Thus, they lookout for a solution that will not make any changes to their important data. This is one of those solutions that ensure that data integrity is not harmed throughout the process.

System Requirements for Office 365 Import Tool

  • Support: Windows Server 2012 R2, 2016, Windows 7 (32 bit & 64 bit), Windows 8 (64 bit), Windows 10 (32 bit & 64 bit), Windows 11 (64 bit).
  • Processor: Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz
  • RAM: 4 GB is Recommended.
  • Hard Disk Space: 100 MB of Free Hard Disk Space Required.

Other Requirements

  • Microsoft .NET framework 4.7.2 or higher version must be installed.
  • Please launch the software as "Run as Administrator" if using on Windows 11, 10, 8.1, 8, 7 or Vista.
  • Internet Connection is mandatory to start import PST to Office 365 process.
  • Microsoft Azure Active Directory Module for Windows PowerShell.
  • Microsoft Online Services Assisstant Setup.


What Demo Version does?

Import PST to Office 365 Free Tool (Demo version) uploads only first 25 PST data items per folder into Microsoft 365.

Watch How to Import PST to Office 365 Mailbox

Watch Step by Step Video for PST to Office 365 Migration

Import PST to Office 365 Tool - Testimonials

User's Trust on Office 365 PST Import Tool

Frequently Asked Questions Regarding Import PST to Office 365

“I was going through the web I came to know this tool is an alternative of Azure Azcopy. I want to know the steps to transfer Outlook emails to”

Solution: Follow these steps to import PST to Office 365 account are:

  • Step 1. Install the tool to Import PST to Office 365.
  • Step 2. Check the option if you have the admin account.
  • Step 3. Use Add File(s) or Folder option to import the PST file(s).
  • Step 4. Add the Account Credentials for uploading PST file into Office 365.
  • Step 5. Authenticate the Office 365 Account and press Next button.
  • Step 6. Add the Filters and click on Import button.
  • Step 7. Tool will start importing pst files into respective user account.
  • Step 8. Click on Generate CSV if needed to get detailed report.

Office 365 Import PST tool has now migrate Outlook emails, contacts, calendar and tasks into Office 365 account.

“Recently, I have purchased an Office 365 home premium and want to import MS Outlook 2007 PST file in this new account. Googling all over but for Azure Azcopy alternative, could not find any solution migrate Outlook 2007 to MS Office 365. If I don’t bring my email folders forward then, it will result me in closing of Office 365 account. Also, I am not having the Exchange server with me. Can anyone provide me a small hope to this, if there is any scope.”

Solution: Yes, you can use Office 365 Import PST Tool to import Outlook 2007 to Microsoft Office 365 home premium account. For this, you just need to provide valid credentials for this task accomplishment.

“I am very much curious regarding my Office 365 account ids and passwords. But unfortunately, I have to share them with your free tool to import PST to Office 365 account. Seriously, I have putted stone on my heart and got ready to share my credentials with your tool to migrate PST file to O365. Before that, I want know from you guys that where will your PST to Office 365 migration would store them when I will be entering it in the tool UI.”

Solution: No where, in order to import PST file into Office 365 mailbox via software we take care of the security and data of each Outlook account. The Office 365 import PST software does not saves your credentials in any secretive database. The credentials are only required to learn if targeted O365 account where data is to be imported is correct or not. It just migrate local PST to Office 365 mailbox after successfully getting the credentials.

“I came to know that Office 365 Import tool is one of the best Azure Azcopy alternative in the market but actually I didn't understand what is incremental import option in your tool.”

Solution: Yes, Office 365 PST Import Tool is one of the best alternative of Azure Azcopy. This tool has a features such as Incremental Import through which you can import Outlook emails to Microsoft Office 365 cloud in an effective manner. If the user is moving data for the second time from the same file then this tool will only transfer the data that is new or not present in the destination location. It will help each and every user to upload PST file(s) into Office 365 without Outlook.

“Being an administrator of Office 365 account, I need to import PST file into Office 365 all user accounts, which are associated with admin. Around 100 accounts are under me and migrating PST file one-by-one in each account is hassle task. I can't afford this one-by-one data uploading technique. After learning my requirements to migrate Outlook PST to Office 365, do you think that Office 365 import services of your software is of any need for me.”

Solution: Yes, our tool features Administrator impersonation. You can share your admin account credentials for this task and then move a single PST file content to all user accounts all in one cycle. To import Outlook 2007 to MS O365 or any other Outlook version user can get this Office 365 Import tool.

“Majority of my PST file emails comprise of attachments within them. The products that I have tested till now discards the PST messages, which are having attachments within them. However, I cannot compromise my email attachments because they are extremely important for me to import Outlook PST data file to Office 365. Therefore, I want to know will your software work the way that emails with attachments also gets moved and would migrate PST file to O365.”

Solution: Yes, Office 365 import PST tool works in a way that it will be moving messages with their respective attachments also. It will not discard the messages having attachments to import multiple PST file to Office 365 and move them in Office 365 account.

“I am thinking to migrate Outlook 2010 to Office 365 cloud account but before I migrate emails, I want to know that are some of the checklist that I need to verify and keep in mind. Office 365 import PST without duplicates is even my concern that is hindering me to migrate Outlook emails and other data items into Office 365 Online.”

Solution: First of all we would tell you that you don't have to worry about the duplicate data items. While importing Outlook PST to Office 365, free tool make sure that PST data is already available or not. The unique incremental import option of this Office 365 Import service would make sure that if you are moving data for the second time, the already move data would be skipped. Now coming on the checklist that you need to create before you use this Microsoft Office 365 PST import tool is:

Pre Office 365 Import PST Checklist

  1. Calculate the size of PST data items that you need to move to O365 account. Make sure that same volume of data is uploaded from .pst to Office 365.
  2. Create a list of all important mails.
  3. All the attachment that are important for you should be downloaded in case you loss them.
  4. Check for Contacts and other calendar events.
  5. Check for the folders and sub-folder if they contains some import mail.

Solution: Yes, you can easily use this tool to import PST to Office 365 to upload the PST file in simple steps and then you can open it.

Solution: You can find the steps to migrate & open PST file to Office 365 account.

Solution: Yes, this Office 365 Import tool can easily upload PST files in bulk that too without any data loss. It has the option to add a folder containing multiple PST files in one go.