If you are unable to open an OST file in Outlook, one of the easiest solutions is to use
eSoftTools OST to PST Converter Software. This reliable tool allows you to convert inaccessible or orphaned OST files into PST format, which can be easily imported into Microsoft Outlook. It preserves all email data, including emails, contacts, calendars, tasks, notes, and attachments, without any loss. The software maintains the original folder hierarchy and email properties such as To, From, Cc, Bcc, Subject, and Date, ensuring that your mailbox remains intact after conversion.
It also provides a preview feature, allowing you to view OST items before exporting them. eSoftTools OST to PST Converter supports all Outlook and Windows versions and offers multiple saving options, including PST, EML, MSG, MBOX, HTML, and Office 365. Its simple, user-friendly interface makes it suitable for both technical and non-technical users. You can try the free demo version to convert a few emails and easily open your OST data in Outlook.
Read More:- Open an OST file to Outlook