<p class="MsoListParagraph" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-add-space: auto; line-height: normal;"><span style="font-family: 'Calibri',sans-serif;">Yes, you can. Break large OST files into smaller pieces before converting them, either by using Outlook's archiving options or specialized tools for handling big files. Make sure you have enough storage space on your system and avoid interruptions during the conversion process. You might opt for third party tool like MailsDaddy OST to PST Converter.</span>