How to Convert OST to PST Without Outlook

If Microsoft Outlook is unavailable or cannot open your OST file, you can still convert OST to PST without Outlook by using a dedicated OST to PST converter. These tools work independently of Outlook and can process healthy, damaged, or orphan OST files without requiring an active Exchange Server connection. Simply select the OST file, preview the mailbox content, and choose PST as the output format. The software preserves emails, attachments, contacts, calendars, tasks, notes, and folder hierarchy during the conversion process. Convert OST to PST without Outlook when Outlook is corrupted, the original profile has been deleted, or the Exchange account is no longer accessible. After conversion, import the generated PST file into any supported version of Microsoft Outlook and access your complete mailbox without data loss.