How to Import OST to Exchange Online? – Updated 2023

Jackson Strong | January 2nd, 2023 | Microsoft Exchange, Outlook

Managing data files that are present in the on-premises surround may outcome in trouble like data corruption, compliance issue, security issues, difficulty in e-Discovery and no network access optimization. In order to avoid these situations, you can import OST file to Exchange Online.

Microsoft Exchange gives multiple features and benefits. And one of the biggest benefits is the ability to work from any place as long as you have an internet connection. It is the primary reason a lot of businesses and companies are moving to Office 365. If you’re trying to learn how to import OST to exchange online, this guide will help you to resolve these types of issues. To know how to go through this article.

Best Way to Import OST to Exchange Mailbox – 100% Working

Download and Install Advik Outlook OST Converter software in your Windows pc. This software is an all-rounder. Of course, you can import OST to Exchange Online account. Also, you can transfer emails from OST file into Gmail account, Office 365, Zoho Mail,, and almost any webmail account that supports IMAP protocol. Download and Try it for free.

Using OST to Exchange Migration Wizard, you can convert OST file into various file formats also. It permits you to convert OST to PST, PDF, MBOX, EML, MSG, and many more. You can also extract calendar from OST file in one single go.

The tool enables the migration of many UNICODE OST files to Exchange Server by keeping all meta properties and attachments intact after migration. The best thing about this technical and non-technical users can use this utility.

How to Import OST to Exchange Online With Complete Data?

Step 1. Run Advik OST Converter and click Select Files.

import ost to exchange server

Step 2. Browse and locate Outlook .ost file.

import ost to exchange server

Step 3. Choose IMAP as saving option from the list.

import ost to exchange online

Step 4. Enter your Exchange Online credentials and click Convert.

import ost to exchange online

Now take a relaxed breath! The application will migrate OST emails to Exchange Online in no time..

Why Use Advik OST to Exchange Converter

This conversion software is one of the favorite primes of IT administrators and Forensic experts. This is a comprehensive solution to extract emails from OST file and save them to multiple file formats. On the other hand, Users can import OST to Office 365,, AOL mail, Rediffmail, Yahoo Mail, so on. This is the most effective feature of this utility that will help to overcome all issues. It maintains the folder hierarchy. Users can import their data without looking at any piece of information.

Why We Need to Upload OST File(s) To Exchange Online

The transferring of OST files in Exchange Online Mailboxes is essential because of the following mentioned reasons:

  • Transfer OST to Exchange online permits you to transfer your on-premises data to Online.
  • Importing OST to Exchange online enables the user to store their data in a very centralized mode.
  • Provides an option to archive Outlook data in Exchange online to give additional mailbox storage space.
  • You can place their Mailboxes and site on hold, to preserve the content.
  • You can apply retention policies and document deletion policies that will hold the data for a particular period of time. This option will assist the user from the point of recovery.
  • It can apply Microsoft eDiscovery tools to find the desired data files.
  • The move of Outlook OST files data to Exchange online will safe data from any data loss and damage.
  • The raise the availability of data as the user can access the cloud data from anywhere, using their devices.

Summing Up

In order to prevent Outlook data file(.ost) from future disasters, you can import OST to Exchange Online. With the help of OST converter software, one can migrate on-premises Outlook mailbox data from OST to Exchange Online cloud which will also enhance the availability of data. In the trial version you will import 25 items/folder from all folders for free.