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Last updated on September 11th, 2023 at 04:00 pm

Several users want to export data from OST files to Office365, but without using MS Outlook application. For all those users we have written this blog post. Here we will show you the best method to Upload OST to Office 365 mailbox without Outlook requirement.

MS Outlook is one of the most famous applications which is offered by Microsoft. It is an emailing application that comes with the MS Office suite. It enables users to manage email accounts and handle the tasks of email sharing, contact/calendar management, etc.

After the huge success of the MS Office suite, Microsoft has also offered the online version of the MS Office applications, that we know as Office365/Microsoft 365. All the MS Office applications (including- MS Outlook) users can access from a web browser with this Office 365 service.

Because of this reason, many users want to switch from MS Outlook (Desktop) to switch to Office365 service.

Also Read: – How to change Outlook OST file to PST file?

Benefits of switching from Outlook desktop to Office365 service

Outlook is a desktop-based application on the other hand Office365 is a web-based service. So as compared to MS Outlook desktop, Office365 has more special features, like-

  • Access email profile from a web browser: – Office365 users get the ability to directly access their email profile from web browsers. Users can access their data from different computers at the same time.
  • Storing email profile data on a cloud server: – Outlook uses the user’s computer to store their data, which may create size issues. On the other hand, Office365 provides a storage space on cloud servers to store and manage all user’s accounts data.
  • No operating system compatibility issues: – There is no need to have specific operating systems for using Office365 service. A user can access an Office365 account on a device having any O/S without any problem.

Why upload OST to Offie365?

Outlook supports saving all users’ email profile data on the user’s computer in the form of data files. OST (Offline Storage Table) data file is one of them. It can hold a complete mailbox with all email account data like- Mail folders, contacts, calendars, tasks, notes, etc.

With the help of OST files users can perform the Outlook to Office 365 migration with the user’s prior data. That’s why most users want to upload OST to Office 365 mailbox.

Migrate OST to Office 365 mailbox without Outlook

For multiple reasons, users will need to upload OST to Office365 account. But the only method that can assist you in doing this job without Outlook, is using an automatic tool like- eSoftTools OST to Office365 Converter software.

This is a straightforward solution to directly moving all data from OST files to Office365 mailbox. It can easily export Outlook items from all corrupt, encrypted, orphaned as well as healthy OST files with a simple process. In a direct manner, it migrates OST to Office365 with no loss issues or errors.

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How to upload OST to Office 365 mailbox without Outlook?

Upload OST to Office 365 cloud through OST to Office365 migration tool, by following the below-given steps: –

  • Download, and Launch OST to Office365 converter on your Windows PC.
  • Click the Select OST button and choose a file selection mode: –
    • Single OST File Conversion: – Select and add a single OST file for migration.
    • Bulk OST File Conversion: – Add multiple OST files to migrate them at once.
  • Choose and add the required OST files and press the Start Scanning button.
  • Scan selected Outlook OST files and load all mailbox folders/items.
  • Get a preview of all Outlook mailbox items from OST files.
  • Choose needed folders from OST, and press the OST to Office 365 migrate button.
  • Add the email address of your Office365 account and apply other required settings.
    • Import Options: – Choose an option for saving imported OST file data in Office365 mailbox-
      • Export in Primary Mailbox: – Move data from the OST folder into the exact folders in the Office365 primary mailbox. (For example- inbox folder’s data from OST files to inbox folder of Office365 mailbox)
      • Input New Folder for Migration: – Add a new folder to save all OST files imported folders and data items.
      • Export In -> In-Place Archive Folder: – Create a new folder inside Office365’s In-Place Archive Folder and save all OST file’s data in it.
    • Mail filtering: – For migration of emails from OST files of a specific date range use this option.
  • After applying all settings, press the Convert button and start uploading OST to Office 365 mailbox.

Conclusion

In the above section of this article, we have shown why users want to migrate OST to Office365 and how they can do it easily. With this article, we have shown the best way to migrate OST to Office365 mailbox without Outlook. Now simply use the OST to Office365 migrator and export OST to Office365 account with ease.

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