Looking for a quick solution to upload OST data in PST file? If yes is your answer, then try the best OST Converter software that helps you to bulk export OST data file to PST file format with complete details and attachments. There is no file size limitation, one can migrate a large size of OST file into PST file format without any data loss. During the process, the software keeps all the folder structures and data without any changes and data loss. It has a very simple GUI, everyone can easily handle and manage the software without any error. It supports all the latest and below versions of MS Outlook, Mac OS, and Windows OS including Windows 11. You can also use the free demo version of the software and convert the first 25 items without any cost.