How to Import OST File into Office 365 Easily

Ryancooper

Member
Oct 25, 2024
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India
www.migrateclouddata.com
To Manually Import OST file into Office 365, you need to convert the OST file to a PST file first, as Office 365 doesn’t support OST file formats directly. This process involves using Outlook’s Import/Export feature to export the OST file to PST. Once the PST file is ready, it can be imported into Office 365 using the Office 365 Import Service via the Security & Compliance Center. However, the manual method is complex and prone to challenges such as potential data loss, file size limitations, and the need for technical expertise. Additionally, it can be time-consuming, especially for large mailboxes or multiple accounts.

To simplify this process, you can use the Cigati OST to Office 365 Migration Tool. This tool eliminates the need for intermediate conversion and directly migrates OST files to Office 365 with ease. It ensures data integrity, supports large OST files, and allows selective migration of emails. The user-friendly interface makes it accessible even for non-technical users. With advanced features like folder hierarchy preservation and incremental migration, the Cigati tool provides a reliable and efficient way to import OST files into Office 365 without the risks and complexities of manual methods.
 

jackera

Member
Feb 13, 2025
59
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6
If you are still searching for a solution to import OST file into Office 365, you can download the Advik OST Converter tool. The software has a feature that can easily migrate entire OST file and its data items into Office 365, and several other email clients such as Gmail, Yahoo, etc. The software offers you to migrate entire mailbox, public folder, and in-place archive. Due to its simplified user interface, any noice user can easily import OST to Outlook 365 without any technical guidance. The software works well with all the MS Windows versions including Win 11.
 

brendybenoite

New member
Jul 24, 2025
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1
Yota OST Converter is an easy and secure solution to import OST file to Office 365. It enables users to open and migrate emails from inaccessible or orphaned OST files directly to their Office 365 accounts without any data loss. All email properties, such as attachments, metadata, and folder hierarchy, are preserved during the migration process.

Designed with a user-friendly interface, the tool can be used by anyone without technical expertise. It also offers advanced filters to migrate only the required emails based on criteria like date range, sender, or subject. For quick and hassle-free OST to Office 365 migration, Yota OST Converter is a dependable choice.
 
Dec 28, 2024
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The DRS Softech OST to PST Converter is a good application, which allows bulk OST conversion and facilitates migration of an unlimited amount of data. It can be used to convert OST files to MBOX, and all other files formats including PST, JPG, DOC, CSV, and much more. Plus, it is compatible with all operating systems and is very intuitive, making it accessible to anyone - no technical skills necessary! Also, this outstanding software still provides users with several filters and parameters.

- Allows duplicate remove from OST file, and filter file as per Date Range.
- Import OST file into Windows Live Mail or other selected email clients.

Procedure to Export OST to Office 365:
• Run the DRS Softech OST Converter and select Files or Folders option and click on Next.
• Click Open to add the OST files you are going to import. Click Next.
• Next, Preview all the mailbox data and select the folders to continue.
• Click Next and from the list of File Formats select PST.
• Next, apply filters and then provide a Path to Save.
• Finally, click on the Convert to complete the process to export the OST.