Convert OST to Office 365

OST to Office 365 Converter

Simple and Easy Tool to Import OST File into Office 365

  • Repair and Restore .ost emails, contacts, calendars & tasks
  • Recover and import OST into Office 365 Online
  • Supports all versions of Outlook 2016, 2013, 2010 and below
  • Compatible with all versions of Windows 10/8.1/8/7 and below

Download Now
100% Secure

Demo version scans outlook OST file & all recovered folders. Allow export selection to save first 25 emails per Office 365 files.

Price: $49

Buy Now Product Guide

Main Features of OST to Office 365 Converter Tool

Exchange OST to Office 365 Conversion

Import OST File into Office 365

Move complete mailbox data from Outlook .ost file to Office 365 account. Transfer emails, contacts, tasks, calendars to an O365 mailbox. Move OST data to a single mailbox or multiple mailboxes using the Impersonation method. Server IP address and password are essential if using Impersonation method to import data to Office 365 accounts.

Email Filter

Apply Mailbox Category Filter

Choose between mailbox items like emails, tasks, calendars and contact to export to O365 accounts. Export single item individually or multiple items to save time. Preview each item before migration within the software interface. Recover any lost or recently deleted data as soon as the OST is scanned into the tool.

Export Selected Items

Choose Between Email Folders

Select to keep certain email folders and leave the rest to save time and prevent any needless conversion of data. Keep important folders like Inbox, Sent Items and demarcate others like Trash that can be kept away from migration. There is no data loss during migration. The OST to Office 365 Converter tool makes sure that email meta data is kept intact.

Maintains Folder Structure

Optional Email Folder Structure

There is an option in the OST to Office 365 export tool to choose not to keep the folder structure of emails during transfer. Unchecked the box next to ‘Folder Structure’ to save time to import mailbox data. By default, the Import OST File to Office 365 tool keeps track of all email folder hierarchy. It also checks to make sure that the email formatting and header information are also kept intact.

Filter and Export Calendars

Apply Date Based Filter to Emails

Facility to apply email filter to sort out emails based on a date range. Set a time period for the ‘Received Date’ of messages to further simplify mailbox for conversion. A progress report is also generated at the end of the migration process. This report contains all the valid information regarding the export process in a CSV file.

No Pre Settings Required

Transfer Mailbox without Outlook

Use the Import OST File to Office 365 to migrate complete mailbox data without MS Outlook application. The tool works independently of Outlook and can batch migrate emails between different accounts on Office 365. There is also an option to provide different names for output exported file by giving them a Naming Convention.

Why Use the OST to Office 365 Export tool?

With the advancement in technology, Microsoft has moved their mailing services to Cloud with the advent of Office 365. One can simply backup and access emails through the cloud service. To upload an OST file to Office365 account a lot of efforts are needed. Either create a personal storage and ship it to Microsoft data centre or upload it manually. The manual procedure may take a lot of time considering the mailbox size. This is where OST to Office 365 Converter can be used. It is an easy and user-friendly tool that can migrate OST to multiple Office 365 accounts. It can take the role of administrator and transfer mailboxes without using individual account password. Just enter the server IP and password and start to move OST file to office 365 mailboxes.

More About the OST File to Office 365 Converter

The Upload OST to Office 365 tool is a professional software that can be used by both, a home as well as business users. It has been designed to cater the needs of all those trying to import OST into Office 365 account. It is a simple yet effective tool that provides multiple options to selectively migrate data. It recovers .ost file as soon as it is uploaded to the tool. An image of the scan is saved, so that one may refer to it the next time they access the tool. It is a powerful algorithm that is easy-to-use and makes uploading OST into office 365 effortless. Try the free version to start migrating 25 items per folder before purchasing the full version. Complete data integrity and security is ensured. The data from emails is not saved anywhere by the Import OST File to Office 365 tool or shared with a third party for promotional purposes.

Introduction OST to Office 365


‘It is a revolutionary product in the field of Import OST File to Office Software. It has given me so many features within one tool. I could migrate my mailbox to O365 account and also keep my emails in my personal storage file. I am glad I used this product. This is an amazing product. I have tried it and will be recommending to all my friends and colleagues. Thank you!’

- Sherry Gardner, UK

Screenshots OST to Office 365 Converter Software

Load OST to Office 365
Scaning Process
Export Process
View OST in Office 365

Frequently Asked Questions:

Is the upload ost to office 365 tool completely free of virus, Trojan or any malware that might affect my computer?
Yes, the tool is safe to use. Just download and install the software to import OST into Office 365.
Is there a file size limit to the OST that can be uploaded to the tool?
No, there is no limitation given to the size of the .ost file that can be uploaded to the tool. Load large sized OST without hesitation.
How many OST file can be migrated using the OST Office 365 software?
There is no limit on how many files can be migrated using the Impersonation method to import OST into Office 365 account. Upload multiple .ost files one at a time to move them to separate accounts in O365.