MailsSoftware OST to Office 365 Migration Tool


Easy way to import OST to Office365 with this advanced and extra-ordinary software. It is very reliable and trusted solution to upload OST to Office 365 with all components and without altering the original mailbox's data.

  • Simple way to upload and export OST file mailbox to Office 365 cloud.
  • Scans deeply the entire Exchange or Outlook OST file data.
  • Migrate OST mailbox data – Calendars, Emails, Contacts, Notes, Journals, and Attachments.
  • Import selected folders and selected emails of OST to Cloud platform.
  • OST to Office 365 Migration tool allows importing OST mailbox to Office 365 with Impersonate Export option (Feature available in Business and Enterprise License)
  • It supports all Windows version for Outlook OST to Outlook online conversion.
  • The software provides an option to convert OST to PST with all attachments.
  • It maintains all original folder hierarchy and HTML formatting of emails.

Key-Features of the Exchange OST to Office 365 Migration tool

The best feature of this Outlook PST to Office365 Import Tool is that it supports BULK EXPORT and IMPERSONATE EXPORT features. Let's understand this features

  • MULTIPLE MIGRATION: For using this feature, the user has to create CSV file with mapping data as OST file location, Office 365 Email ID & Password. Just upload CSV file in the software to import OST to Office 365 in bulk mode.
  • IMPERSONATE MIGRATE: To use this feature, the user needs to impersonate rights of the user account. Apply this feature to import Outlook offline folder to Office 365 , the user has to create normal CSV file with having mapping information as only OST file path & Office 365.
    It will migrate all your data including Emails, Contacts, Calendars, Tasks and Notes to Office 365 environment.
  • CONVERT OST TO PST: The software works as OST to PST Converter as well as. It export complete OST mailbox data in Outlook PST file format with all mailbox data. It provides "Split PST" option to save large OST data in small numbers of multiple PST files.
  • EMAILS: Export entire emails from single and multiple OST mailbox with all properties such as To, CC, BCC, URL, Formatting, Images, and Attachments etc. It never alter the emails sequence of OST file.
  • CONTACTS & CALENDARS: The OST to Office 365 Migration software exports all contacts of Outlook OST mailbox with all information as name, email id, numbers, address to Cloud platform and calendaring information with all Location, Attachments, Start date, End date, Meetings, and appointments etc.

Benefits of Outlook Offline to Office 365 Migration Tool

ADD & Browse OST file

The software provides an easy option to upload OST file in o365. It provides multiple options to browse OST file – ADD File & Search File.

Scan OST Mailbox

OST to Office 365 migration tool deeply scans all the mailbox data of single or multiple OST mailboxes before performing the migration process.

Support Corrupted OST File

The user can use this software to import Exchange OST to Office 365 for corrupted, orphaned, inaccessible, and damaged OST files. It works simply and flawlessly.

Preview of OST Mailbox

After successfully scanning of OST file, the OST to Office 365 Migrator software generates the clear preview of OST mailboxes without making any types of changes in hierarchy.

Export Selected Folder

Here is one more advanced option available for exporting only selected folders mailbox data to cloud platform. You can migrate your required mailbox folder data in Office 365 .

Import OST to Cloud Platform

It provides an easy way to import OST to Office 365 Cloud platform. Just click on "Export" option to use desktop-based Outlook data in Online Outlook with original folder structure.

Import OST in O365 Primary Mailbox

You can directly import & upload OST data – emails, calendars, contacts, tasks, and appointments in Office 365 primary mailbox with same folder hierarchy.

Upload OST to O365 Archive Mailbox

If you don't need to use Outlook data in O365 primary mailbox then apply this option. You can create a new folder in Office mailbox and import OST data in In-place Archive.

Preserve Folder Structure

Don't worry about the folder hierarchy of Outlook OST mailbox while migrating the OST to Office 365 mailbox. It always maintains the data in original folder structure.

Bulk Export OST Mailboxes

If you are looking for bulk OST migration to Office 365 the just create one CSV file having with OST file path, Office 365 Email ID and Password >> Upload in software.

With Impersonate Export

This feature is inbuilt in OST to Office 365 Migration tool to perform the batch migration from OST to O365, You just need one CSV file with all OST file location and O365 Email ID.

Pause & Resume Process

This feature makes the tool more reliable. When the internet connectivity breaks then the software automatically pause the migration process and will resume when it gets connected.

Import Outlook Calendars

MailsSoftware OST to Office 365 Cloud Migration tool allows exporting all desktop-based Outlook calendars to o365 with complete info i.e Location, appointment, & reminders etc.

Upload Contacts in Cloud

If you need to import Outlook contacts in Office 365 primary mailbox, then it will helpful for you. It allows uploading contacts with name, number, address, & email id etc.

Create Log file of Migration

This is best feature of the tool. By using this option you can save all the steps of Outlook OST to Cloud migration process summary. It founds all missing items & errors of the process.

Date Range Filter

This is an optional feature of the tool to perform upload OST to Office 365 cloud platform. You can provide any date rang to export OST mailbox data to O365.

Tool ScreenShots

Pricing List of OST to Office 365 Migration Tool

Personal License

$99

  1. Only for 2 Outlook Computers
  2. File Size Limitation
  3. Lifetime Technical Support
  4. Monthly Charges
  5. Lifetime System Update
  6. Money Back Guarantee
  7. One Time Payment
  8. Migrate Attachments
  9. Bulk Export
  10. Preview PST file Items
  11. Impersonate Export
  12. Export to Primary Mailbox
  13. Export to Archive Mailbox
  14. Support Password Protected PST
  15. Support Outlook 2019 & other All
  16. Compatible with Win 10 & other All
Most Prefered

Business License

$399

  1. Only for 50 Outlook Computers
  2. File Size Limitation
  3. Lifetime Technical Support
  4. Monthly Charges
  5. Lifetime System Update
  6. Money Back Guarantee
  7. One Time Payment
  8. Migrate Attachments
  9. Bulk Export
  10. Preview PST file Items
  11. Impersonate Export
  12. Export to Primary Mailbox
  13. Export to Archive Mailbox
  14. Support Password Protected PST
  15. Support Outlook 2019 & other All
  16. Compatible with Win 10 & other All

Enterprise License

$599

  1. Only for 100 Outlook Computers
  2. File Size Limitation
  3. Lifetime Technical Support
  4. Monthly Charges
  5. Lifetime System Update
  6. Money Back Guarantee
  7. One Time Payment
  8. Migrate Attachments
  9. Bulk Export
  10. Preview PST file Items
  11. Impersonate Export
  12. Export to Primary Mailbox
  13. Export to Archive Mailbox
  14. Support Password Protected PST
  15. Support Outlook 2019 & other All
  16. Compatible with Win 10 & other All

Frequently Asked Question for OST to Office 365 Migration Tool

No, there is not any requirement of MS Exchange server and Microsoft Outlook.
Yes, login to Global Administrator account then enable "ApplicationImperonation" rights >> Give full access role to the admin. Learn How to grant access for Impersonation Rights in Office 365.
Yes, It allows importing the selected folders and emails to cloud platform.
Yes, You can use both option for multiple OST file but these options are available in only business and enterprise license.
Yes, You can use this software for all Windows operating systems.

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