Upload Outlook PST to Office 365 Mailbox

(Average Rating 4.9 Based on 1289 Reviews)

RecoveryTools applications extends support for uploading Outlook PST files across Office 365 platforms, enabling business continuity from both ends. Therefore, import Outlook PST to Office 365 platform also promotes the benefits of cloud backup on behalf of local backup. This Tool ensures that the local storage of your Outlook account is transferred to your cloud-based Microsoft account (Office 365).

Download Now Purchase Now

PST to Office 365 Migration Tool Box




RecoveryTools for
Uploading PST to Office 365

Import Multiple PST Files into Microsoft Office 365 Mailbox
Supports Outlook PST Emails, Contacts, Calendars, Notes, etc.
Incremental Upload Batch PST Files into Office 365 Accounts
Selectively Import PST to Office 365 by Include Folder Option
  • Upload PST File: Emails, Contacts, Calendar, Tasks to Office 365
  • Date Filter to Import Archive PST to Office 365 of Certain Date Range
  • Contents Uploaded Remains Intact with Attachments & Metadata
  • Import PST to Office 365 Using Admin / User Account
  • Upload Unlimited PST Files of Any Size to Office 365 Account
  • Include Folder Option to Import PST File(s) to Office 365 Mailbox
  • Upload PST to Office 365 Shared Mailbox using Admin Account
  • Incremental Import Option to Upload Only New Data from PST File
  • Creates an Export Report After PST to Office 365 Uploading is Finished
  • Software is Compatible with All Versions of Outlook and Windows

Where Our Tool Helps to Upload PST to Office 365?

PST to Office 365 Migration Tool

Move Archived Emails from PST to Office 365

You may be familiar with the online archiving feature, which allows you to free up storage space in your primary mailbox by moving unwanted emails to your archive mailbox. Office 365 users can easily access archives files online through Outlook.

Upload PST Files to Office 365

Migrate Outlook Emails to Office 365

However, after subscribing to Microsoft 365, many end users import from Outlook to Office 365 mailboxes due to the need for organizational migration, consolidation, or regular backups. Here we will show you best methods to import PST files to O365 mailbox.

Import Multiple PST Files to Office 365

Office 365 Import Tool Alternative

Are you looking for Microsoft Office 365 Import Service functionality to upload PST files to your Office 365 account? If so, then you've come to the right place. Know the Office 365 Drive Shipping and Network Upload method with the best alternative.

Interesting Features of PST to Office 365 Migration Tool

Detailed Features of Software to Upload Outlook PST to Office 365

Upload PST to Office 365 Mailbox

This software uploads emails, calendars, contacts, and tasks from PST files to Office 365 account. This allows to selectively import Outlook PST file to Office 365 mailbox with attachments. Attachments associated with the email will remain intact after the import is complete.

Import Multiple PST to Office 365

This tool is designed to allows uploading of multiple PST files to Microsoft Office 365 mailbox. This application allows users to upload Outlook emails from multiple PST files to Office 365 at the same time. The software offers multiple options like Add Files, Add Folders, Add CSV and more.

Upload PST to Office 365 Shared Mailbox

A prominent feature of this software is the ability to upload PST files to Office 365 shared mailboxes. To enable this feature of the tool, the user must be logged in through Microsoft Office 365 administrator account. Otherwise, users will not be able to import data from PST files to Office 365 shared mailboxes.

Upload By Admin / User Account

The most important feature of this software to upload PST files into Office 365 account with or without administrator credentials. Using admin sign-in, users can also import PST files into multiple Office 365 user accounts and upload PST files to shared Office 365 mailboxes. User account sign-in allows to upload multiple files PST to own Office 365 account.

Secure PST to Office 365 Migration

The security of the uploaded data is ensured by the tool when uploading mailboxes from PST file to Office 365. When data is uploaded from PST file to Office 365, the information remains intact and complete during the entire process.

Date Filter for Selective Migration

PST to Office 365 Migration Tool provides users with the ability to upload Outlook data items like email, calendar, tasks in a specific date range. Users can set individual filters for each type of data and load only the selective data.

Import PST to Office 365 of Any Size

Simultaneous support for ANSI and Unicode type Outlook PST files ensures compatibility with files of all sizes. Unicode type PST files range from 20 GB to 50 GB and more, and the PST to Office 365 Migration tool to upload PST to Office 365 mailboxes are programmed to support it all.

Creates Export Report in CSV Format

The software monitors the process to import PST files to the Office 365 mailbox. After the upload process is complete, the software allows users to save the report of the migration process in CSV format. The report includes details such as file path, data items, upload status, and more.

PST to Office 365 Migration Tool Specifications
Download RecoveryTools Solution to Import Multiple PST Files into Office 365 Accounts

Software Download

Size : 10.3 MB

Version : 3.0

MD5 : f0753a317ff5f12aecd315cda2e627ea

Trial Limitations

Demo version of the Tool only imports the first 25 items per folder.

System Specifications

Hard Disk Space
100 MB of free hard disk space

Minimum 1 GB RAM

IntelĀ® Pentium 1 GHz processor (2.4 GHz is recommended)


  • Microsoft .NET framework 4.5 or above should be installed.
  • If you are using Windows 10 / 8.1 / 8 / 7 or Vista, 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.
  • Admin account of Office 365 must be impersonated for Admin Account Migration.

Supported Editions

  • Microsoft Windows – Win 7 / 8 / 8.1 / 10 (32-Bit & 64-Bit) & Windows Server 2003 / 2008 / 2012
  • Microsoft Outlook – 2000, 2003, 2007, 2010, 2013, 2016, 2019 (32-Bit & 64-Bit)
  • Office 365 – Enterprise E1 / E3 / E5 / Business Premium / Essentials & Exchange Online Plan 1 / Plan 2 & Office 365 A1 / A3 / A5 / F1

Electronic Delivery

The product delivery is automated. You will receive an email with the link to download the product and the activation key within a few minutes after the payment has been confirmed.

Upload PST to Office 365 Tool Full Version vs Trial Version

Features of Software to Import PST Files to Office 365 Mailbox – Trial and Full Version


Trial Version

Full Version

Add Single or Multiple PST Files

Import Batch or Selective Outlook Data Items

Increment Upload PST to Office 365 Option

Exclude Option: Deleted and Sent Folder

Date Filter, Include Folder, Attach File

Supports All Windows OS & Outlook Versions

Upload PST Emails, Contacts, Calendars to Office 365

25 Items/Folder

Import Multiple PST Files into Office 365 Account

25 Items/Folder

Import PST to Office 365 Tool Queries

Frequently Asked Questions

Yes, you can very much upload as many PST files to Office 365 as you wish to. The software doesn't impose a limitation on the number of PST files.

The application doesn't impose any limitation on the size of PST file(s) being imported. You can import as many items as you desire, from a PST file of any given size without surfacing any limitations.

Assurance of data security is guaranteed while using the software. You can upload PST file to Office 365 and cross-check the result in the live status report shown by the tool on its panel.

No, you cannot upload Outlook PST to Office 365 mailbox account if the data file is in an inconsistent or corrupt state. The file needs to be recovered first and then be uploaded.

Yes, you can upload Outlook calendar to Office 365 and transfer Outlook contacts to Office 365 too. The software supports a complete import PST to Office 365 archive procedure, which includes calendar, contacts, and other personal items along with, emails.

Client Reviews

What Our Clients Sayings?

Import PST to Office 365 Reviews

Average Google Rating

Overall Rating

Average Customer Rating

Customer Satisfaction

Happy Customer


RecoveryTools™ is based on core business standards that ensure "perfection" and "precision" throughout the entire process.

© 2023 RecoveryTools All Rights Reserved

WhatsApp Call Now

Live Chat