How to Import OST Files to Office 365 Account?

lovelybaghel

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Apr 3, 2025
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Try the SysInfo OST to PST Converter to import OST files to Office 365, Gmail, Yahoo Mail, Thunderbird, and other email clients in bulk at once. It has the ability to export OST files to numerous kinds of file formats like PST, PDF, EML, MSG, MBOX, and so on with all email attachments like notes, tasks, calendars, journals, etc. Similarly, the users can use this tool on all Windows OS versions, including Windows 11. It provides the option to preview OST files in depth before beginning the OST conversion process. As well, it has the function to remove duplicate OST files based on distinct criteria throughout the process.
 

jackera

Member
Feb 13, 2025
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To import OST files to Office 365 Use the Advik OST Converter Software which has advanced features to automatically import bulk emails from OST into Office 365 account. Without size restrictions, it moves the large OST emails to Office 365 while maintaining the database structure. This software is simple to use and has an understandable graphic interface, which is why any novice user can easily import OST to Outlook 365 without any technical knowledge. This program runs easily on all Microsoft Windows versions, including older and newer versions. Additionally, this software offers a free trial edition to learn more.
 

brendybenoite

Member
Jul 24, 2025
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Try Yota OST Converter, a reliable tool to import OST files to Office 365 quickly and securely. It helps you access emails from offline or orphaned OST files by converting and directly uploading them to your Office 365 account. The software preserves all email details, including attachments, metadata, and folder hierarchy, ensuring no data is lost during migration.

With its simple interface, even non-technical users can perform the conversion without difficulty. It also supports selective migration, allowing you to import only specific emails using filters like date range or sender. The Yota OST Converter is the perfect solution for smooth and efficient OST to Office 365 migration.
 

nixiehartwell

New member
Jul 10, 2025
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WholeClear OST to Office 365 Converter is a dependable way to effectively import OST files into an Office 365 account. Before migrating, you can see all mailbox contents including emails, contacts, calendars, tasks and journals and add one or more OST files. After that, you can select Office 365 as the export option, input your login information and begin the migration process. The application supports mass migration for several OST files at once and preserves folder structures, attachments and read/unread statuses to guarantee data integrity. The process is safe, quick, and simple with theSoftware, which ensures correct and comprehensive data transfer to your Office 365 account without requiring complicated manual adjustments.