Home » MS Outlook » How to Import OST file into Outlook 365 Account?

Last updated on August 10th, 2023 at 06:36 am

Many users presently want to migrate from Outlook desktop to Outlook 365 cloud service for different reasons. If you are also a user who wants to do the same, then the blog will become helpful for you. Here we will show the step-by-step process of how to import OST files to Outlook 365 accounts.

Direct Method to Import OST file to Office365 Account

The only solution that helps you to migrate Outlook OST files to Office365 is Enstella OST Converter software. Experts develop this automated tool to make the OST to Office365 migration job much easier for users.

Using this tool all types of users (both technical and non-technical) can perform the migration without facing any problems. Users only need their Office365 account and OST files for using this tool. The complete migration job this tool completes in a direct manner and provides the best results.

Steps to Import OST to Outlook 365 Cloud Account?

Download and Install Enstella OST to Office365 Converter Software on windows OS-based computer, then follow the described steps: –

  • Launch the software and press the “Select OST” button from the first screen.
  • Choose a file conversion mode from the provided options: –
    • Single File Conversion: – Select and add a single OST file in the software
    • Bulk File Conversion: – Add multiple OST files in a single process
  • After conversion mode selection, import OST files and hit Start Scanning button.
  • Extract all elements from OST files and get a preview of each item.
  • Make a selection of required folders from OST file and press  “Import into Cloud” button.
  • Select Import OST to Office365 option & input your office365 account credentials into the software.
  • Use additional options like- Mail Filter, Create Log, Primary or Custom folder input.
  • After selections hit the Convert button and start importing OST files to Office365 account.

Advanced Features of OST to Office365 Migration software

  • Upload emails, contacts, and calendars, among other things, to Office365 account directly.
  • Move multiple OST files to Office 365 cloud platform with a simple click.
  • Selectively migrate mail folders from OST file to Office365 account.
  • Open OST file and Preview all data before importing it into Office 365 cloud.
  • OST to Office 365 migration tool preserves folder structure and data integrity inside source files while migration.
  • Supports all types of OST files (including- Exchange Server, IMAP, Outlook.com, etc) for migration.
  • Compatible with all Windows operating systems editions (including Windows 10, 8.1, 7, Vista, XP, and below editions).


A large number of users may require to import OST file data into Office 365 account for different reasons. To help all those users we have provided a step-by-step technique for importing OST to Office365 cloud. The best technique to complete this job is the most straightforward tool called Enstella OST Converter Software. This tool will securely import unlimited emails and other data from OST files to Office365 accounts with an easy process. Its user-friendly interface and robust capabilities help users to perform the migration in an easy manner. Try it now!