Yes, you can convert large OST file to PSTwithout losing any data by using a professional MSOutlookhelp OST to PST converter tool. These tools are specifically designed to handle oversized OST files while maintaining data integrity, including emails, attachments, contacts, calendars, tasks, and journals.
Most reliable OST converters offer features such as removing duplicate emails, applying date filters, splitting large PST files, and previewing mailbox items before conversion. This ensures that all data is safely exported without corruption or omission. Additionally, these tools work without requiring Outlook, making them ideal for orphaned or inaccessible OST files. The conversion process is straightforward: install the software, select your OST file, choose PST as the output format, apply desired options, and start the conversion. Once completed, the resulting PST file can be seamlessly imported into any version of Microsoft Outlook.