import pst to office 365





SysTools Import PST to Office 365

Use Office 365 PST import tool to upload data into Primary & Shared Mailboxes of Microsoft 365. This tool can used for importing large size mailbox, incremental & selective migration of PST file into Office 365 account with and without Admin Impersonation

(Average Rating 4.1 Based on 518 Reviews)
  • Upload PST files into Office 365 accounts using User or Admin credentials
  • Migrates complte PST file data: Emails, Contacts, Calendars, Tasks
  • Include folders option to move only specific folder during PST file migration
  • Import PST File to Shared Mailbox Office 365 via Admin Account mailboxes
  • Smart Date-Range filter to migrate selective data from PST files
  • Capable to perform Incremental Import from same PST file after first attempt new feature
  • Include/ Exclude Deleted & Sent Items folder while importing PST into Office 365
  • Retain all attributes of emails like Attachments & Meta data after migration
  • Compatible with all versions of Microsoft Outlook and Windows operating system.
    PST to Office 365 Migration Tool supports to upload PST file of Outlook 2019, 2016,2013 and below versions into Office 365 Mailbox

Free Live Demo - SysTools Import PST to Office 365 Tool Fully Secured Download Version


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SysTools Office 365 PST Import Tool

Why Go For PST to Office 365 Migration?

Why Manual Solution Fails ?

  • The manual techniques are region specific i.e., Import PST service is not available in your region. It displays a message stating The Import PST Service has not been rolled out yet. Please check back after rollout is announced”.
  • If you want to upload PST files into Office 365 user account, you need admin permissions. Like, to import PST files, you must have Mailbox Import Export role access permission
  • If a PST file contains a mailbox item that is larger than 150 MB, the manual process will skip that item during the import process.
  • During the import process, you need to store PST to some temporary storage then imported to Microsoft 365. The process really lengthy and takes several days in order to be completed.
  • You are not allowed to import a PST file containing 300 or more levels of nested folders.
  • The manually importing PST into Office 365 accounts is quite time taking. It provides speed of 16.7 MB/min or 24 GB per day.
  • The cost of using Drive Shipping for uploading PST files into Office 365 account is $2 USD per GB of data.

Where Office 365 Import Tool Wins ?

  • You are allowed to use this software in any region without any limitation to import PST to Office 365 mailboxes. It is not region specific.
  • This application does not require any particular permission to migrate PST file to Office 365 user account.
  • The software does not skip any item from PST file based on its size during the import process. There are no such limitations imposed by the Office 365 Import tool.
  • It is independent of Outlook application also. You are allowed to transfer PST to Office 365 without Outlook installation on the local machine.
  • This tool is designed in a manner that it imports PST file of any size without any file size limitation.
  • Compared to manual methods, this tool offers quite good speed i.e., 42 MB/min or 60.5 GB/day.
  • There is no additional cost charged for importing multiple PST files (Unlike other manual methods where cost depends on file size.)
  • Apart from all this, the credentials entered by you are totally safe. They are for import process only and not shared outside.

What All Will Be Imported From PST File?

Email Messages All email messages with specified date range, priority, inline images, links, signature will be retained during import process.
Attachments Any email attachment i.e. documents and files will be migrated.

Supported Attachment Types:

  • Business Cards (in VCF),
  • Calendars
  • Outlook Item
  • Signature
Folders Inbox, Drafts, Outbox, Sent Items, Deleted Items, Junk Email, Search Folders, RSS Feeds, Calendar, Contacts, Tasks, Notes, Journal.

Note: It will recreate the original folder structure.

Date Range Filters It keeps date ranges for email messages, events(calendars) and tasks intact.
Priority & Category It will maintain priority status and Category even after the import process.
Calendar All calendar appointments, meeting requests and recurring appointments (i.e., Daily, Weekly, Monthly, Yearly), scheduling within specified date ranges are imported successfully. It includes categories, status, reminder, location, start date & time, end date & time, duration, time zone while importing calendars from PST to Office 365.
Calendar Attachments Calendar attachments such as Files and documents, Business Cards (in VCF), Calendars, Outlook Item and Signature
Calendar Types
  • Events
  • Appointment Slots
  • Meetings
  • Tasks
Reminders It import appointment reminder settings also.
Tasks Option to migrate Office 365 tasks with Subject, Start Date, Due Date, Status, Priority, %complete, Reminder, Owner, Attachment, with Recurrence(Daily, Weekly, Monthly, Yearly).
Task File Attachments Any documents or files attached to a task will also be migrated.
Contacts All contacts will be imported including
  • Telephone
  • Email
  • Address
  • Mobile
  • Work
  • Location

Remarkable Features of Office 365 Import Software

migrate pst data to Office 365

Import PST Via Admin & User Account

With the help of Office 365 Import software, one can import PST to Office 365 account very easily. It let users import multiple PST files to Office 365 admin account or users account as per the choice. One just needs to login to Office 365 account by entering valid credentials i.e. Office 365 ID and Password. The software will validate the account and allows you upload PST to Office 365 Webmail without any hassle. This Office 365 PST import tool is capable of uploading multiple PST files into Office 365 Outlook mailboxes even if the email address and UPN ID are different.


Import PST to Office 365 Shared Mailbox import pst to o365

With the help of this application, a user is allowed to import PST file into Office 365 Shared Mailbox also. You just need to log in via Office 365 admin account only to enable the impersonation feature. Otherwise, you will be unable to migrate PST to a shared mailbox. In addition, the software also lets you import PST from old Outlook accounts (POP3 configured account) also.

import multiple pst

Import Multiple PST Files to Microsoft 365 new

The software is designed in a way that you can import multiple PST files to Office 365 mailboxes in bulk. There is no limitation on a number of PST files that can be imported to Office 365 at once. Moreover, during the import process, it moves all emails along with attachments to Microsoft 365 mailbox by keeping all email settings intact as original like Priority, Inline Image.

move contacts

Move Contacts, Calendars, & Task

Apart from emails from PST file, the software is capable to migrate Contacts, Calendar, and Tasks also to Office 365 admin or user account. While moving these data items from PST file, it moves all associated settings, properties, and details also to Office 365 mailbox. It is capable to upload archived PST to Office 365 account also.

maintain folder structure

3 Options to Upload PST File

Office 365 PST Import tool provides three different options while importing PST file into Office 365 account panel i.e. Add File (s), Add Folder, and Add CSV. In order to manually select and add PST files, one can go for add files option. To import PST to Office 365 in bulk, add a complete folder containing multiple PST files in it, choose Add Folder option. In addition, a user can directly upload a CSV file containing all details in it i.e. file path, Office 365 ID, and password for each PST file. In Addition, this PST to Office 365 migration tool also supports to Upload PST files from Network drives into Office 365 account.

migrate selective data

Migrate Selective Data from PST

This application provides an option for selective data migration, instead of importing complete data from a PST file. It permits users to perform categories-wise migration also i.e. emails, calendars, contacts, tasks. The tool also allows users to import calendars, contacts PST from PST file to Office 365 without Outlook. In addition, one can apply date-wise filters also to perform the selective import of data items when you upload archived to Office 365 mailbox. This option lets users prevent the migration of unnecessary data items and save lots of time.

incremental export

Option to Perform Incremental Import

The Office 365 Import software is designed in such a manner that it follows the incremental import approach after first attempt to import PST to Office 365. It means if a user has imported PST file to Office 365 once, then in next attempts, this option let users prevent the migration of already imported data. This feature saves lots of storage space and avoid duplicates also in Office 365 account.

upload pst data to Office 365

Attach Outlook PST File Option

It is an advanced utility, which also focused on the hierarchy of folder structure. This PST to Office 365 migration tool helps to maintain an orientation of the items and folders of the source file when you import PST to Office 365 account. If a user checks this option, it will create a new folder in Office 365 with the original name of PST file and preserves the same folder hierarchy as the original. This helps to avoid any confusion in accessing data when you upload PST file to Office 365 account.

exclude del or sent item

Exclude Deleted or Sent Items Folder

Another major advantage of using this Import PST to Office 365 utility is that it let users avoid the migration of unnecessary folders also. Thus, if a user does not want to import deleted item or sent items folder from Outlook PST file into Office 365, then they need to check this option & proceed. And, this PST to Office 365 Import tool will not include these two folders during Import process.

include folder

Provides Include Folder Option

During PST to Office 365 migration process, this Office 365 Import software will let users migrate a particular folder also from a PST file. To avail of these services, one needs to check Include Folder option and specify the required folder path like "test/name/sample". In this case, only "sample" folder inside the "test" folder will get imported to Office 365 account. This feature is also beneficial if a user wants to perform customize migration.

no powershell

No PowerShell Required

The best part about the Office 365 Import tool is that it does not require any PowerShell commands to transfer PST files. It is a hassle-free application with a seamless approach. You just need to login via Admin or User account and select the PST file, the rest will be managed by the tool. It does not require you to be technically strong to perform the import process.

generate report

Generate Complete Import Report

After completion of the import process, software generates a complete report. This report contains details about the PST file and to which account it has been migrated. It also maintains all details i.e. folder path, user id, folder count, export count, and fail count. This report generated can help users in the future for reference also.

Office 365 Import Software Specifications

Download Tool for PST to Office 365 Migration With / Without Admin Account

Software Download

Size : 12.5 MB

Version : 3.1

MD5 : f7231f4973c7dd3f178e50c7a822317c

Trial Limitations

Software will import only 25 items per folder from Outlook PST to Office 365 or Online Exchange.

System Specifications

Hard Disk Space
100 MB of free hard disk space required

Minimum 4 GB of RAM is recommended

Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz


  • Microsoft .NET framework 4.7.2 or above should be installed.
  • If you are using Windows 11 / 10 / 8.1 / 8 / 7, then please launch the tool as "Run as Administrator".
  • Internet connection is required to import PST to Office 365.
  • If Multi factor authentication (MFA) is enabled / enforced in Office 365, then use "App Password" or disable multi-factor authentication. Read More
  • Admin account of Office 365 must be impersonated for Admin Account Migration watch video

Supported Editions

For Windows: 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)

Product Guides




Electronic Delivery


Software Customization

If you need to customize Office 365 Import Tool or need additional features then, Request Quote


Overview of Office 365 Import Feature Comparison in DEMO & Licensed Version

Features DEMO Version FULL Version
Add Multiple PST Files
Import Selective Items by Category
Perform Incremental Import
Exclude Deleted or Sent Items Folder
Advanced Filters : Include Folder, Attach Outlook PST
Pause & Resume Option
Outlook 2019, 2016, 2013, 2010 & below Supported
Import Emails, Contacts, Calendars & Tasks from PST File to Office 365 25 Items / Folder
Import Multiple PST file to Office 365 25 Items / Folder
Cost FREE $99

Frequently Asked Questions

Listed Commonly Asked Questions and Answers

How do I import PST to Office 365 archive with this tool?

5 Easy Steps to import PST files to Office 365 are:

  • Step 1 : Download & Run Office 365 Import tool
  • Step 2 : Login as " User " or " Admin " Account >> Browse " PST " Files
  • Step 3 : Click on "Attach Outlook PST" & Select "Category".
  • Step 4 : Click on "Import" & upload PST file into Office 365 mailbox
  • Step 5 : Lastly, login Office 365 Outlook Webmail to verify imported PST File

I am a Mac OS X user and have a user account on Office 365, so wants to confirm can I also use this software on Mac machine successfully?

No,this PST to Office 365 Migration tool does not support Mac OS. It allows you to import PST file to Office 365 on the Windows platform only.

Are my calendar items imported to my live calendar in Office 365

By using the software you can upload PST to Office 365 user account, this tool allows you to import emails, contacts, tasks & calendars PST into Office 365. In addition, it import calendar items to live calendar in Office 365 directly

Yes, you can migrate the PST files to Office 365 account of a specific month only by specifying a start & end date provided in the UI of the software. This option will help you to import data of specific month to Office 365 account.

PST file that I want to import to Office 365 is stored on my Office network drive. So will it be possible for me to browse it directly from there only?

Yes, this PST to Office 365 migration tool is designed in such a smart way that it lets users browse files stored on network drive also without any hassle.

I want to create a separate folder of PST file that I want to import to Office 365 so that it becomes easy for me to access them. Will it be possible with the help of this software?

Yes, this software preserves the hierarchy of folder structure & technical properties related to Metadata when you upload PST to Office 365 mailbox. In addition, it provides the Attach Outlook PST file option, which creates a separate folder with the original name of PST file in Office 365 and keeps hierarchy intact as the original.

Yes, this software supports PST files of MS Outlook 2019 / 2016/ 2013/ 2010 and below versions.
Yes, this software generates a complete report that can help you to analyze the files/data, that have been imported to your Office 365 account successfully.
No, you are not allowed to import one PST files to multiple user accounts using this software.
Yes, this tool supports the transfer of Microsoft 365 shared mailboxes into any shared mailbox or user mailbox
Yes, you can import data from multiple PST file to an Office 365 account using this software
Yes, Yes, using this utility you can upload PST file to Office 365 for a user account only.
Yes, this software supports PST file of MS Outlook 2019 / 2016 / 2013 / 2010 and below versions

What Customers Are Saying

SysTools Office 365 Import Software Verified Purchase Reviews

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