Stellar OST to PST Converter - Technical offers a complete solution to convert OST files to MS Outlook (PST) files. The software converts OST files and saves all its content such as e-mails, attachments, contacts, calendars, tasks, notes and journals. Stellar OST to PST Converter - Technical scans and extracts data from an OST file, converts it and then saves it as a new usable PST file format. To view the converted items, you need to import the new PST file into MS Outlook. After converting the OST file, the software shows its original content. All folders from the original OST file are shown along with their content in a three-pane structure.