You can convert a large OST file to MSG quickly and safely by utilizing TrustVare OST to MSG Converter. This application has been created specifically for the purpose of converting large-sized OST Files. The software support batch conversion feature will allow you to easily convert several OST Emails to MSG Format simultaneously. The application keeps the entirety of the OST data intact, including the headers, formatting and attached files with no degradation in quality whatsoever. And whether you are converting your e-mail data to back up, organize or operate your mail, the software provides the most seamless and error free conversion experience.