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Tutorial to access OST file in Hotmail (Outlook.com) account

Tutorial to access OST file in Hotmail (Outlook.com) account


This post will cover the solution on user queries to access OST file in Hotmail account. We will answer several queries of users to import OST to Hotmail account.


As moving to cloud applications is in trend so many users want to import their OST data file to Hotmail accounts but the problem for users is they don’t know the correct approach to perform this migration. This blog will help them to resolve this migration. Let us analyze a few queries –

  • How to upload Outlook OST mailboxes to Hotmail?
  • How to import OST file to Hotmail without Outlook?
  • Can you please tell me the solution to open Outlook .ost file in Hotmail account?
  • How can I transfer OST files into Outlook.com?


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What is OST file?


OST is known as an offline storage table and created in Microsoft Outlook or Exchange Server. An OST file can store emails, contacts, calendars, notes, tasks, and many more. OST file allows users to work in offline mode in Outlook when there is no internet connectivity. All the data is synchronized when internet connectivity is available.

What is Hotmail account?


Hotmail is a popular web-based email service provided by Microsoft. Hotmail is also known as Outlook.com. It comes with the greatest features as well as security updates that are in demand of current time. Therefore, when users are switching from desktop applications on the cloud, Hotmail is one of their prime choices.

Reasons to import OST to Hotmail.com


Most of the users are moving towards cloud applications as these can be accessed anywhere at any time. OST file is an Outlook data file which is a desktop-based application but users want to move to cloud applications like Outlook.com which is available free of cost to users.


Therefore, it is required to upload OST files into Hotmail.com.

Solution to import OST file to Outlook.com account


If you look for manual ways to upload OST emails into Hotmail account then it is a waste of time as no manual ways are available to complete the migration.


However, you have the option to pick third-party tools. GainTools Cloud Importer is one such reliable solution to import OST mailboxes to Hotmail.com account within a few minutes. Its self-expressive interface and guiding steps will smartly import OST files to Outlook.com account.


OST files instant import to desired Hotmail account without installation of Microsoft Outlook. No need to migrate the file one by one, it has the capacity to consider multiple OST files to import into Hotmail account in a single attempt. Without any compromise to file quality, folder hierarchy and email components, the migration of OST data file into Hotmail account is accomplished. You can simply check all features and working efficiency of the utility by downloading the free trial version.

How to import OST mailboxes to Hotmail account?


Here is the complete working steps to import OST to Hotmail.com –

  • Download and start the software on your Windows system.
  • Choose OST format and add OST files to the software wizard. Hit Next to continue
add ost file
  • Select Hotmail account in the Remote Server options. Press Next.
select hotmail account
  • Enter credentials of Hotmail account in the provided fields and hit Authenticate User option. This will show you that connection has been established successfully with the provided Hotmail account.
username password hotmail
  • Mention a folder of Hotmail account or make a new folder that will be used to import OST files.
  • Finally, hit Upload Now button and this starts migrating OST mailboxes into Hotmail account.

Final Words

Through this post, you have got solutions to easily access OST files into Hotmail account. Both individuals and corporate users can effortlessly handle this program to import OST emails into Hotmail account with attachments. A free trial of the software is available that helps users to test the program. For any query, contact our support team 24*7.