Home » Blog » Outlook » Ways to Import OST to Office 365 Account

Ways to Import OST to Office 365 Account

Karen Chard ~ Published: 03-07-2021 ~ Outlook ~ 7 Minutes Reading

import outlook ost to office 365

Are you planning to import OST to Office 365 account? If yes, then don’t worry. Try RecoveryTools OST to Office 365 Converter which provides a direct option to export OST files into Office 365 account. There is no need to have any advanced technical knowledge to use this software. It will help the users in dealing with the transfer of OST emails, contacts, calendars & other items to Microsoft O365 account.

I have Microsoft Outlook email client installed in my PC. It stores the mailbox data into .ost file format. Now, I am planning to migrate OST files to Office 365 account. Outlook is a desktop-based email client that can manage any user’s personal information including emails, contacts & calendars.

On the other hand, Microsoft Office 365 is a cloud-based personal information manager center. It helps a user’s to quickly access their emails & other mailbox items anytime from anywhere.

Nowadays, Cloud is the need of the hour. Many business users are pushing hard to put their resources on the cloud.

Similarly, I also want to upload the data from OST file to Office 365 account. Unfortunately, I didn’t know how do I do that.

I had tried many applications & searched for it on the web, but didn’t find any trustworthy application. Kindly suggest me any application, if you have in your mind to successfully import OST files into Office 365 account.

Smart Solution to Migrate OST Files to Office 365 Account:

RecoveryTools OST Migrator Software is one such amazing solution which provides users a direct option to export OST files into O365 online account. A user only needs to enter the login credentials of their Office 365 account to perform the migration. This toolkit also has an advanced I am Admin option, that will enable the users to migrate OST file data into an Office 365 Administrator account.

Download for Windows Download for Mac

Trial Limitation: The free demo of OST to Office 365 Converter tool will enable the users to export only first 25 emails from its each folder. If a user want to export more than 25 emails, then he needs to first activate the software by purchasing the license key.

Simple Steps to Upload OST Files into Office 365:

  1. Run & load files in OST to O365 Converter software.
  2. Select only the desired OST mailbox folder items from list.
  3. Choose Office 365 option from list of saving formats.
  4. Setup OST to Office 365 migration options including login credentials.
  5. Click on the Convert button to initialize the process.

What Data Does OST to O365 Software will Migrate?

This tool is designed to migrate all data from an .ost file to an Office 365 account. It helps users move important user information without restriction.

Emails: This tool supports OST email conversion in Office 365 with various details.

  • Email Headers – You can export OST emails to Office 365 with complete email header information, including Cc, Bcc, Size, Time, Sent Time, Received Time, etc.
  • Body Components – The OST to O365 converter supports the conversion of all e-mail bodies and keeps them safe i.e., Inline objects, images, hyperlinks, signature, or email formatting.
  • Email Attachment Files – This tool supports the export of OST files to Microsoft Office 365 as well as all types of embedded attachments, including DOCX, GIF, PNG, PDF, RTF, XLS, or ZIP files.
  • Outlook User Profiles Data – With OST to Office 365, users can export all Outlook user profile information stored in an OST file to Microsoft O365.
  • Archived Folders – This toolkit also allows users to move old file folders from Outlook OST to Office 365 without any size restrictions. Easily supports archive folder including annual archive folder or monthly archive folder.

Contacts: The user can successfully export OST contacts to Office 365 using Active Directory. Supports converting OST contacts and contact groups in Office 365 with complete field information, such as:

  • First Name, Middle Name, Last Name, Nick Name, etc.
  • Date of Birth
  • Business Address, Personal Address, Home Address, etc.
  • Phone number, Personal Number, Mobile, Business Number, Fax, etc.
  • Personal Email Id, Business Email Id, etc.

Calendars: With OST to Office 365, you can easily export calendars and appointments. Supports all calendar item features, including:

  • Meetings
  • Calls
  • Appointments
  • Events
  • Attachments or
  • Any Special Occasion

Key Features of OST to Office 365 Migration Tool:

This tool is designed with advanced algorithms to help the users in dealing with the complete email conversion process. It will provide users many benefits due to its amazing features. Here are a few prime features of OST to Office 365 Migration tool.

  • The OST to Office 365 Conveter tool supports the batch conversion of multiple OST files into the Microsoft Office 365 account.
  • One can successfully import unlimited OST files to Office 365 account without any file size limitation.
  • The OST to Office 365 Migration tool is a completely standalone application that can perform its working without Microsoft Outlook email client installation.
  • It is a very easy to use & user-friendly application that enables the users to move their data in a risk-free environment.
  • A user can also export OST files data into Office 365 Administrator account. This tool have a separate I am Admin option to help the users to do so.
  • This tool also enables the users to automatically Map the mailbox folders with the User accounts. However, users also have choice to manually map the folders with the user accounts.
  • A user can load OST files data in the software panel by dual ways i.e., Automatically from default configured profile location or manually from any specific user folder location.
  • The tool will list all the OST mailbox folder items in its panel. Users have choice to choose only the required mailbox folder items according to their need.
  • A user can also analyze the live OST to Office 365 Migration process directly in its panel.
  • This software is fully compatible with all the latest versions & editions of both Mac & Windows OS devices.

How to Upload OST File to Office 365 Account?

This toolkit is designed to upload OST file to Office 365 account in a quick & simplified manner. You can easily understood the complete working of this software just by following these simple steps:

  1. Install & Run the OST to O365 Converter software in the Computer.
  2. Load OST files in the utility panel by dual ways i.e., Automatically from default configured Profile location or manually from a File or a Folder.
  3. The utility will instantly start loading all the OST mailbox folders in its panel. A user can choose any of the desired OST mailbox folders according to the requirement.
  4. Now, select the Office 365 option from the list of 30+ saving formats.ost to office 365 converter tool
  5. Setup OST to Office Conversion options in the application panel. Enter the login credentials of Office 365 account here.ost to office 365 migration tool
  6. Users can also choose Copy to Default Folders option to save into a specific folder path.
  7. Finally, click on the Convert button to start OST to Office 365 migration process. Analyze the whole conversion process directly in the application panel.analyze conversion process
  8. Once the conversion process finished successfully, the tool will pop-up a confirmation message box. Click on the OK button to continue.upload ost to office 365


Learn in this article, how to import OST to Office 365 account. It is the need of the hour to migrate OST emails, contacts, calendars, tasks, notes & other items to Office 365 account. Thankfully, you can do it so easily with the help of a professional OST to O365 Converter tool.