How to Import Outlook OST to Office 365 with Attachments?

Migrate OST file into Outlook 365 with 100% accuracy

Summary: If you’ve been using Outlook on your PC, you might be looking for a solution on how to import Outlook OST to Office 365. You can easily do this with the help of a tool like OST to PST Converter. This program is easy to use and will help you import OST to Office 365 with attachments. Once the data has been transferred, you’ll be able to use the data including emails, calendars, and contacts, etc. into Office 365 account.

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Reasons to Upload OST to Office 365

Office 365 is a comprehensive online productivity suite that includes well-known applications such as Word, Excel, PowerPoint, Outlook, and OneDrive. Office 365 has been a popular app with hundred millions of monthly active users. That’s because Office 365 has a lot to offer its users. Here are some of the features that make it so popular:

  • One of the primary features of Office 365 for Business users is the ability to share files, including documents, presentations, and photos.
  • You can also view, edit, and print them from anywhere because your data is saved on cloud.
  • You can also collaborate with your colleagues on projects by sharing documents online hence make the work easier.

There could be so many reasons for importing OST files to Office 365 account. In this article, we will discuss the best and effortless method to upload OST to Office 365 mailbox.

How to Import Outlook OST to Office 365 account Directly?

Yota OST to Office 365 Migrator is the perfect solution for migration. Using this utility, you can quickly and easily migrate emails from OST to Office 365. Along with that, if you have a large amount of data in your mailbox and want to migrate required emails only, then this tool can be of great help to you as it contains advanced filter options.

This Email Migrator is efficient utility developed by experts that allows you to easily migrate emails and contacts from OST to Gmail, Yahoo!, Hotmail, Google Mail, and Zoho Email accounts within few couple of moments. This program is very easy-to-use, fast, reliable and secure software to migrate OST to Office 365. It also provide free trial version for users to test it before purchasing the licensed version.

Steps to Migrate OST file to Office 365 account are as follows:

Step 1. Download and install Yota OST to Office 365 Migration tool. Click on Open>> Email Data Files>> OST Files.

import ost to office 365

Step 2. Now, add the files into the panel. Here you can preview the files and apply filters if you want selective conversions.

import outlook ost to office 365

Step 3. Next, go to the Export option and choose Office 365 as saving target location.

import ost to office 365

Step 4. Finally, specify the login details of O365 account and hit the Save button to import Outlook OST to Office 365.

import ost to office 365

Why to Choose OST to Office 365 Migrator?

Import OST to Office 365 in Bulk: If you have large number of files and you want to save your time in importing OST file to Office 365 account then, you can choose this tool. It allows you to export multiple OST file to Office 365 along with attachments, emails, contacts, tasks, etc.

Transfer OST files to Web Servers: Using this advance solution, you can migrate OST files to 200+ email services including Gmail, Zoho, Zimbra, Rackspace, and many more. You just need to give the correct login credentials of your backup account and the tool will migrate all the files into it directly.

Preserve Folder Structure: This is one of the highly trusted software that has been designed in such a way that there will be no alteration or modification done to the folder structure of the mailbox. This OST to Office 365 Converter makes sure that you will get the exact same copy of file after importing OST to Office 365.

Simple Utility: This tool offers very simple and self navigational panel to import Outlook OST to Office 365 account. The interface of the software is so easy that any type of user, professional or novice, can use it without requiring any extra technical skills. It will take 3-4 easy clicks to convert the files into required formats.

Support Different Formats: With the help of OST to Office 365 Migrator, you can convert OST files into different file formats. Like, you can convert OST to EML, MBOX, PDF, CSV, etc. The tool also lets you extract attachments from OST files and let you save them at your desired location.

Compatible with Windows OS: This software is fully compatible with all latest and older Windows OS including Windows 11, 10, 8, 7, etc. for 32, and 64-bit OS. And you will get 24/7 customer support in case you stuck with the solution and need help in that.


In this blog post, you learnt the best way to import Outlook OST to Office 365 account with attachments. Now you know how to do this in a few simple steps, along with a detailed guidance. You can also use the OST to Office 365 Migrator to import OST contacts to Gmail and other platforms with complete accuracy. You can download the free demo of the product to explore the features of the tool before buying it.

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