The process of Outlook export OST as PST is very simple and easy to achieve by using the OST to PST Export Tool. Any type of user can smartly use this tool on any Windows 11, 10, 8.1, 8 or any below edition. If you want to perform bulk OST files conversion to PST file format, then this tool is the correct solution for you. The software converts your large sized multiple OST files in PST files at once without any alteration or without any error. To check or analyze the working of it, you can initially use its download edition that can export 25 items from your OST file to PST free of cost. After this, you can buy its license edition, which supports batch items conversion from OST to PST at once.