Reliable Tool to Import PST to Office 365 Account

Kernel Import PST to Office 365

2M+ Downloads

Upload PST to Office 365 easily with the Kernel Import PST to Office 365 tool. Supports bulk migration to Primary, Shared, Archive, and Group mailboxes. Prevents duplicates, allows CSV mapping, and modern authentication for a 100% secure, downtime-free migration. Apply built-in filters for selective migration.

By EWS (PST and OST to Office 365)

By Microsoft Graph API (PST, OST, MSG, EML to Office 365)

Download trial version and Save 10 items per folder free.

Allows to upload PST to Office 365 mailboxes in bulk without data loss.

Keep original folder structure, attachments, and metadata intact and 100% secure.

Import PST to Office 365, including Primary, Shared, Archive, and Groups with ease.

Permits to import only selected data by date, type, or folder using smart filters.

Helps to upload PST and OST files without size limits to Microsoft 365.

100% secure and simple for IT admins and end-users.

Map multiple PSTs to different Office 365 mailboxes instantly using CSV.

Works with all Outlook and Microsoft 365 versions smoothly.

Microsoft modern authentication for secure login.

The free demo version lets you import 10 items per folder.

Detailed migration reports for accuracy.

What's new in Kernel Import PST to Office 365

v24.2

Enhanced connectivity and migration speed in Office 365 Groups
Verify your license status in the tool’s console
Import PST file to Office 365 Groups with Modern Authentication

190+ COUNTRIES WORLDWIDE

18+ YEARS' EXPERIENCE

24x7 CUSTOMER SUPPORT

Why Choose Kernel Import PST to Office 365 Tool?

Get the advanced solution to simplify the migration process. IT administrators and enterprises migrate thousands of PSTs to Microsoft 365 with zero disruption and downtime:

Migrate multiple PST files to Office 365

Quick PST & OST Migration to Office 365

The Kernel Import PST to Office 365 tool easily migrates both PST and OST files to Office 365 in no time. You can upload emails, contacts, calendars, tasks, and attachments directly to Office 365 mailboxes in a few easy steps. The tool supports all Outlook versions, handles large files, and guarantees data integrity with zero downtime or data loss during migration.

Import to a Hosted Exchange or Microsoft Exchange Server

Designed for IT Admins, Businesses & Enterprises

Whether you need to perform a single-user import or an enterprise-wide migration, the upload PST to Office 365 tool simplifies it for all users at any level. It supports single-user imports as well as bulk enterprise migration, with features like CSV mapping, filters, secure authentication, etc., for smooth, scalable, and reliable data upload of any size.

Deals in Specific Import PST to Office 365

Guarantees 100% Data Integrity & Zero Downtime

The PST to Office 365 migration tool helps to achieve 100% data integrity and zero downtime during PST to Office 365 migration. It preserves folder hierarchy, email properties, attachments, and metadata while securely uploading data to Office 365. It provides real-time processing and guarantees smooth uploads without any interruptions or risk of data loss.

Kernel Import PST to Office 365 Software - Core Features

Several user-centric and powerful features make PST to Office 365 migration tool easy to use, effortless, flexible, and reliable.

Secure Migration with Two Authentication Modes

Secure Migration with Two-Factor Authentication

Easily upload PST to Office 365 with secure login options. Choose Basic Authentication for a simple and secure sign-in, or Modern Authentication for advanced security. Both options follow Microsoft security standards for a smooth and reliable PST migration.

Import PST Files to Office 365

Migrate single/multiple PST files to Office 365 simultaneously in no time. Import data into primary, archive, or shared mailboxes with ease. Use individual user login credentials for single import or apply Global Administrator credentials to run bulk PST migrations.

View PST Data Before Migration

This free PST to Office 365 migration tool provides a simple migration process with a built-in PST preview option. View emails, contacts, calendars, and more before importing to Office 365. This helps you select only the required data, avoiding unwanted or duplicate items.

Import OST to Office 365

Upload OST to Microsoft 365 mailboxes and Groups using the PST to Office 365 migration tool. Simply browse the OST files and enter valid Office 365 credentials. The software will map your OST file to the Office 365 mailbox for seamless OST to 365 migrations.

Bulk Migration with CSV Mapping

Office 365 Administrators can automate multiple PST migrations with a simple mapping process using the CSV file import feature. Download a blank CSV from the tool, input the required details, and upload it back. Avoid the hassle of selecting each mailbox manually, which delays the import PST file Office 365 process.

Migrate PST to Exchange Server

The PST to Office 365 migration tool effortlessly migrates single as well as multiple PST files to the Exchange Server. It is compatible with all Exchange server versions that allow a smooth PST import to On-premises, Hosted, or Online Exchange.

Import PST Files to Office 365 Archive Mailboxes

Import PST file to Office 365 Mailboxes & Groups

Easily upload PST file to Office 365 with this free Office 365 tool. You just need to browse and select PST/OST files, enter valid Office 365 credentials, and the software will automatically map PST/OST files to the right mailbox or group.

Move PST Emails with Attachments

Since attachments hold crucial information, this free PST to Office 365 migration tool helps to upload PST emails with attachments accurately. It supports all Outlook mailbox items, including emails, contacts, calendars, and tasks for PST to Office 365 migration.

Run Multiple Import Tasks of Large PSTs Simultaneously

Execute multiple import PST to O365 tasks simultaneously to save time and boost productivity. Migrate small to large-sized PST files to Office 365 at once without any interruptions. Instead of waiting for one task to finish, you can run multiple ones to ensure quicker and more accurate results.

Move Contacts and Calendars to Office 365

Import PST Calendars, Contacts, and Folders

With the PST to Office 365 migration tool, you can import calendars, contacts, and other mailbox folders separately without hassle. Just add the PST file, follow the simple prompts, and efficiently import Outlook PST contacts, calendars, and folders to Office 365.

Advanced Filtering Options

The tool offers advanced filters that allow you to select date ranges, item types, and exclude deleted items or empty folders. You can also migrate the entire PST file hierarchy into a single folder, without data loss, effectively.

Advanced compatibility with Outlook and Windows

Incremental Migration to Prevent Duplicity

The PST to Office 365 migration tool supports incremental migration to escape duplicates. It helps to migrate only new or modified mailbox items in each migration cycle to keep your Office 365 mailbox clean and organized without repeated data.

Upload PST to Office 365 Without Outlook

No need to install Outlook to import PST files to Office 365. Perform a smooth migration on systems without Outlook, transfer data securely, and ensure 100% error-free transmission while maintaining complete data integrity throughout the Office 365 migration process.

Save and Analyze Migration Report

Save detailed migration logs in CSV format to monitor PST to Office 365 migration status. Review imported data items, analyze folder types, track successful migrations, and identify any errors for complete visibility and control over the migration process.

Advanced compatibility with Outlook and Windows

The PST to Office 365 migration software widely supports all Outlook versions from 1997 to 2021. It is fully compatible with Windows 365, 11, 10, 8.1, and Windows Server editions, including 2022, 2019, 2016, 2012, 2008 R2, 2008, 2003 R2, and 2003.

Challenges in PST to Office 365 Migration and How Kernel Solves Them

PST File Inaccessibility Risks

You don’t need to worry about losing your PST data. The PST to Office 365 Migration tool helps to migrate PST files of any size successfully without data loss. It keeps all emails, contacts, calendars, tasks, and attachments intact and secure. Your data stays protected, accessible, and 100% error-free.

Downtime During Bulk PST Migration

With the Kernel Import PST to Office 365 tool, you can migrate PST files in the background without downtime. The tool allows you to migrate multiple PST files at high speed while your team continues working. It helps to perform smooth operations, escaping productivity losses.

Manual Migration is Risky and Slow

Your migration will not be compromised or delayed! The upload PST to Office 365 tool makes migration quick and easy. You can import bulk PST files in one go in just a few clicks. It works with large files, keeps your data safe, and does not need Outlook or extra permissions.

Limited Tracking and Control

You get full visibility and control at every step of migration! The PST to Office 365 Migration software generates detailed log reports in CSV format. You can easily monitor folders, check items, and spot errors instantly. It gives you full control and transparency over your data without any hassle.

No Selective Data Migration

Choose and migrate only the data that you need. The upload PST to Office 365 tool offers advanced filters. It helps to choose specific folders, set date ranges, and skip deleted or empty items, saving storage and speeding up migration.

Folder Structure and Metadata Loss

Each bit of PST data moves together without any loss. The PST to Office 365 Migration tool helps to preserve your folder hierarchy and metadata exactly as they are. Your mailbox in Office 365 looks the same as the source, with everything well organized.

Feature Comparison for Kernel Import PST to Office 365 Tool - Trial & Licensed Version

Features	Trial Version	Licensed Version
Migrate PST Files to Office 365	10 items per folder
Import to Public, Archive, & Mailbox folders in Office 365	10 items per folder
CSV Import Feature
Preview OST/PST Data
Transfer Contacts & Calendar
Secure Authentication Modes
Supports Bulk PST Import
24*7 Tech Support & 100% Secure
	Free Download	Upgrade $99

PST to Office 365 Migration Tool FAQs

How to import PST files into Office 365?

The following steps will quickly help you to migrate PST file to Office 365 mailbox account:

Step 1: Run the tool, click on +Add in the Add Source panel and choose PST file.
Step 2: Click on +Add in the Add Destination panel, choose the Login type, and mention the Microsoft 365 credentials.
Step 3: Choose Single/Archive mailbox and Map the Source to the Destination. Select Set Filter and Migrate.
Step 4: Select amongst Mailbox, Archive Mailbox, and Public Folder. And click on Migrate to continue.
Step 5: Apply desired filters for selective data items. Then, Click I am OK, Start Migration, and save the log report once completed.

Repeat the same process to transfer PST to Office 365 for the migration of bulk files with administrator privileges.

steps to migrate PST file to Office 365 mailbox account

Can I move only the contact details to Office 365?

The tool allows for the selective migration of contact information. The Filter Selection window has an Item Type filter feature; choose the Contacts option and uncheck all the others.

Can I import bulk PSTs to multiple Office 365 accounts? Which license of the software should I buy?

You can select multiple PST files as Source and add various Office 365 accounts in Destination using user or administrator accounts. Also, you can add user accounts of different Office 365 domains at the same time.

Home User License- This is suitable for users wanting it for personal use. It can be installed on up to 2 computers to import your personal Outlook PST files.
Corporate License- If you are buying the Software for your organization, this license is the best choice. It can be installed on multiple computers within an organization at a single location.
Technician License- This is highly suggested if you buy the software to provide services to other users. It can be installed on various computers at different locations.

I tried to add the Exchange mailbox as a destination, but the tool showed an error HTTP Status 401: Unauthorized. How can I resolve it?

You may get such an error when the Username Principal Name (UPN) is different from the email address. To resolve the error, enter both the UPN and the email address.

Is it possible to import specific mailboxes from the PST files to Office 365?

Yes, you can import specific mailboxes, folders, or items from the PST file with the help of filtering options in the Import PST to Office 365 software.

Will I have to create a new PST file or import an existing one?

A PST file with a mailbox is required in an online Microsoft 365 account. You don't need to create a new PST file explicitly.

In my PST files, there are several empty folders and I do not want to import them. How can I tackle it?

Before you upload a PST to Office 365, you can apply a filter ‘Exclude empty folders’ and they will not be migrated.

Will the software migrate an archive PST file?

Yes, the software can import an archive PST file too.

Is there a limitation in the software to move several folders in the PST file?

No, there is no limitation related to the number of folders present in the PST file. So, when you import PST file to Outlook 365, it will migrate all the folders that you have created.

Can I Import PST in Exchange Online and access my data in the original hierarchy?

Yes, the software can easily import PST in Exchange Online and retrieve entire data in the original hierarchy with the “Save all data hierarchy into a separate folder” option.

What will be the message size limit while importing PST file to Office 365?

Office 365 follows the size limit for Exchange Online emails, which is 150 MB. So, if an email is beyond that size, the software will skip it. The standard size of an email will be 25 MB, and the maximum supported email size will be 150 MB.

Does the software also allow to import OST files to Office 365?

Yes, you can. The software lets you import both PST as well as OST files to Office 365. In the source section, you can add either PST files or OST files.

Does this tool support to import PST to O365 from Outlook 2019?

Yes, with this Import PST to Outlook 365 tool, you can easily upload PST to Office 365 irrespective of the Outlook versions.

Can I check the data stored in PST files before I move PST to Office 365?

Yes, when you upload PST file to Office 365, you can use the Preview feature to go through the mailbox content before migrating PST files to Office 365.

What customers say about Import PST to Office 365 Tool

(4.9/5) 481 Reviews

A trustworthy solution with thorough recovery options.

A consistently reliable solution for PST to Office 365 migration! Kernel's import tool proves itself as a dependable choice, ensuring trustworthy and efficient results every time.

Lucia Stanley