Microsoft Outlook is the most popular email clients. It is widely used across organizations and common users. However, users often face challenges when they need to convert OST files to PST format, especially when migrating data or repairing corrupt files. This guide provides a comprehensive story on how to convert OST to PST from Outlook 2021, 2019, 2016, and 2013 efficiently using the trusted EmailsGuru OST to PST Converter.
All About OST and PST Files
OST Files: These are offline folders created by Outlook when connected to Microsoft Exchange Server or Office 365. They enable users to work offline and synchronize changes once reconnected. OST files are synchronized copies of mailbox data stored on the server.
PST Files: Personal Storage Table files are local data files used to store copies of emails, contacts, calendars, and other mailbox items. PST files are ideal for backing up data, archiving, or migrating data between systems.
Why Convert OST to PST?
Data Recovery: When OST files become corrupt or inaccessible, converting them to PST can help recover data.
Migration: Moving from one email account or server to another often requires conversion.
Backup & Archiving: If users want to back up mailbox data in local computer.
System Upgrade: Upgrading Outlook versions or switching to different email clients.
Challenges in OST to PST Conversion
While the need to convert OST to PST is common, the process can be complex due to:
- OST file corruption or damage.
- OST files created with different Outlook versions.
- Large OST files causing performance issues.
- The need for precise and secure conversion without data loss.
To overcome these challenges, choosing a reliable and efficient converter tool is critical.
How to Convert OST to PST?
EmailsGuru OST to PST Converter is a professional solution designed to simplify and expedite the OST to PST conversion process. It supports all Outlook versions (including 2013, 2016, 2019, and 2021) and offers a user-friendly interface, ensuring even non-technical users can perform conversions effortlessly. It is fully safe and easy way to convert OST to PST from Outlook 2021, 2019, 2016 and 2013. Here are few simple steps to use this utility:

- Install and Open the OST to PST Converter on your Windows system.
- Browse from Select Files the OST file you wish to convert. This utility also supports batch conversion, allowing multiple files to be processed simultaneously.
- Browse and select the destination folder where the converted PST file will be saved.
- Click “Convert” to initiate the process. The tool will process the OST file, preserving email properties, attachments, and folder hierarchy.
Notable Features of OST to PST Converter
- Supports all Outlook versions from 2013 to 2021.
- Converts corrupt, damaged, or inaccessible OST files.
- Preserves folder hierarchy and data integrity.
- Maintains email properties like metadata, attachments, and formatting.
- Provides selective item conversion for precise data management.
- Supports large OST files without performance issues.
- User-Friendly Interface of this file converter is suitable for both technical and non-technical users.
- Processes large files quickly without compromising data integrity.
Final Words
Converting OST to PST is a crucial task for Outlook users facing data migration, recovery, or backup needs. OST to PST Converter simplifies this process, offering a reliable, fast, and user-friendly solution compatible with Outlook 2021, 2019, 2016, and 2013. By following the step-by-step guide outlined above, you can efficiently perform conversions without technical hurdles.