Explore The Software
Screens
Video
Guide
Import PST to Office 365 in bulk using Microsoft Graph API, with OAuth 2.0 and MFA (Multi-Factor Authentication) sign-in. The software migrates PST emails, contacts, calendars and more to Microsoft 365 while preserving the folder structure.
100% Safe and Secure 
30 Days Money Back*
Three pointers checked by administrators before migrating PST files to Office 365
Select Folders Before You Import
After the PST files are added to the software interface, the software displays their folders and subfolders in a list. IT admins check or uncheck the folders they need, and the tool imports only the checked PST folders into Office 365.
Preserve Original Folder Structure
The tool preserves the original PST folder structure after importing to Office 365. Inbox, Sent, Drafts and custom folders keep the same hierarchy they had in the source PST files.
Generate Log Report After Every Import
The software generates an automatic log report after each PST to Microsoft 365 migration. IT admins use this log report to identify and re-import only the failed items and avoid duplicates in Office 365 mailboxes.
RecoveryTools migration tool lets users selectively import PST emails, contacts, calendars, tasks, & notes to Office 365 based on advanced filter settings
Advanced Filters
Date Range
The software imports only the items between the start and end dates the admin selects.
From
The tool imports only the emails from the sender address the admin enters.
To
The tool imports only the emails sent to the recipient address the admin enters.
Subject
The software imports only the emails whose subject matches the keyword the admin types.
Folder Name
The tool filters PST data by the folder name the admin enters.
Supported PST Items
Emails
The tool imports emails with attachments and formatting.
Contacts
The software imports contacts from the PST address book.
Calendars
The tool imports calendars from the PST file.
Tasks
The software imports to-do lists.
Notes
The tool imports notes.
Know How RecoveryTools Desktop-Based Prime Features Work During PST to Microsoft 365 Import.
RecoveryTools PST to Office 365 importer lets users add PST files in the software interface in three ways. Add multiple PST files, add folders to load PST files inside them, or directly add data from a configured Outlook profile.
IT admins can add multiple PST files to Office 365 in a single migration process. The batch import feature of the software saves time when migrating a whole folder of PST archives instead of a single file.
The RecoveryTools PST to Office 365 import tool allows users to import PST data directly to primary or in-place archive mailbox. Users only need to check mark the destination Office 365 mailbox before starting the migration process.
RecoveryTools PST to Office 365 migration tool comes with the Recovery Mode option for damaged, inaccessible, and password-protected PST files. IT admins can directly migrate PST files to Office 365 without unlocking or repairing them.
The software provides a Change Language option, which allows users to map PST folders into different languages, including English, French, German, Spanish, Italian, Norwegian, Finnish, etc. Users can use this option to rename PST folder names to match the destination Office 365 mailbox language.
RecoveryTools PST to Office 365 import tool comes with a copy-to-default-folder feature. Enable this auto folder mapping feature before starting the migration. With this option on, data from the PST Inbox folder is automatically imported into the Office 365 mailbox Inbox folder.
Watch Tool Working Video or Import PST to Office 365 Easily with Simple 6 Steps
Step 1: Download and run the software.
Step 2: Add the PST file manually or automatically.
Step 3: Select the required folders and subfolders from the screen.
Step 4: Choose the Office 365 option from the drop-down.
Step 5: Enter the Office 365 email address and login directly via OAuth 2.0.
Step 6: Hit the Convert button to start PST to Office 365 migration.
Watch the working video
Microsoft supports PST imports through Outlook, network upload and drive shipping. Read this table to decide the easiest method to import PST to Office 365
| Method | Designed for | User needs | Time requirements | Limitations |
|---|---|---|---|---|
| Outlook Import | A handful of users that import personal PST files | Outlook desktop application logged into the mailbox | Manual, one mailbox at a time | Applicable to only a small number of users |
| Network Upload | Bulk import performed by IT department of several PST files | AzCopy.exe, Azure storage location, CSV map file, Mailbox Import Export role, Import service of Microsoft Purview | Several hours per TB | Unlimited number of PSTs, each of which should be up to 20 GB |
| Drive Shipping | Very large amount of data when the network is slow | BitLocker encrypted drive delivered to Microsoft and Import service | 7-10 days after receiving the drive | 10 TB per drive, 10 drives per job at max |
| RecoveryTools Migration Tool Recommended | Selective PST migration, including damaged and protected by passwords PST files | Migration tool software for Windows or Mac and Office 365 login | Depends on the size of PST and network, no shipped drive | Trial migration 25 items per folder, no incremental migration |
Native method details: Microsoft Learn PST import overview. For the full steps of each route, read the import guide.
How RecoveryTools PST to Office 365 Migration Tool Handles Sign-in and Data Transfer.
The software connects to Office 365 through Microsoft Graph API with OAuth 2.0. Accounts protected by MFA (Multi-Factor Authentication) sign in through the same flow.
With the “I Am Admin” option, one admin account imports PST data into multiple user mailboxes. For individual importing PST to Office 365, admin access is necessary.
The software is fully desktop-based. Data is processed on your computer and is never stored on RecoveryTools servers.
Know What Users Get with a License Key for the RecoveryTools PST to Office 365 Migration Tool
$99
License price for 1 year.
250
Mailboxes the license can migrate data to.
10
Machines the license can be used on in total.
The license is delivered electronically. After the payment is confirmed, an email with the download link and the activation key arrives automatically.
Purchase Now
Feature Comparison of Migrate Outlook PST File to Office 365 - Free and Full Version
Download Buy Know the Minimum System Specifications to Use PST for Microsoft 365 Migration
| Name: | RecoveryTools Migration Tool |
| Version: | 26.2 |
| Size: | 47.2 MB |
| Platforms: | Windows and macOS |
| Free Download: | Download Now |
| Trial Limitations: | The software comes with a free trial edition, which allows users to migrate only 25 emails from each folder so that users can analyze the software's performance and how it works. |
| Electronic Delivery: | RecoveryTools Best PST to Office 365 migration tool will be delivered automatically. After your payment is confirmed, you will receive an email with a link to download the product and the activation key. |
| Hard Disk Space: | Around 200 MB |
| RAM: | 2 GB RAM |
| Processor: | Intel Pentium 1 GHz Processor (2.4 GHz Processor Recommended) |
| Windows: | 11, 10, 8.1, 8, 7 |
| Windows Server: | 2025, 2022, 2019, 2016, 2012, etc. |
| Mac OS: | Golden Gate (Beta), Tahoe, Sequoia, Sonoma, Ventura, Monterey, Big Sur, Catalina, Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, etc. |
| Outlook Versions: | PST files from Outlook 2024, 2021, 2019, 2016, 2013, 2010, 2007 and all earlier versions |
| Supported Source: | ANSI and Unicode PST files of Outlook New and Outlook Classic |
Know What Users Ask About the Software to Import PST to Microsoft 365
Maximum size depends on your Outlook version, you can export 50 GB file size from your Outlook profile, which is a preconfigured limit.
If you want to increase PST file size in Outlook, then check out the mentioned page where we have explained all the processes in detail.
Yes, the PST to Office 365 migration tool is designed to provide batch migration of Outlook mailbox data items. Gather all the PST files of these accounts in one folder and then choose the Add Folder option and then choose the required folder. Choose Office 365 from the list of file-saving options and then complete the conversion process.
Yes, the software is designed in such a way that it provides various ways for the migration of PST file items to Office 365 accounts including both the selective and entire mailbox items.
The tool has no incremental import, so it does not skip items that already exist in the mailbox. It generates a log report after each migration, and the filter options let admins re-import the items that did not import. Re-import only those items, because running already imported items again can create duplicates.
Download the free trial to check the import, or buy the full version.
RecoveryTools Best PST to Office 365 Migration Verified Purchase Reviews
"I was finding a solution to migrate my entire Outlook profile data that is in PST files to the Office 365 account. Then, one of my friends recommended this PST to Office 365 migration tool. And, after using it, I realized that PST to Office 365 Migration Tool is one of the best utilities I have used in my recent years of experience. This tool migrates PST to Office 365 in bulk without facing any size limitation."
Mr. Ajay Kumar, India
"Batch Migrating PST files to Office 365, a cloud-based service is quite a difficult task but this utility makes the task easy for us. This tool has easily migrated multiple of my PST files to Office 365 accounts without using Outlook. Also, it allows me to migrate only a selective number of files which is the best feature of this software."
Mr. Richard Aaron, Florida
"Thanks to the development team of Recovery Tools for developing this utility to migrate PST to Office 365 instantly. I have been using its Demo version since last week and it provides me best results with better accuracy. And, now I am moving to the licensed version of this utility to acquire better performance and faster results."
Mr. Karls Muller, LA
Support 
Blog 
+1 7025533020 