If you are using Windows 11 and need to Convert MSG to PST, the easiest way is through a batch conversion tool. After installing the SysInfo MSG Converter Tool, add your MSG files to the software. It will show details like subject, date, sender, and attachments for confirmation. Next, select PST from the saving options and apply any filters if needed, such as Date Filter or Remove Duplicate. Finally, select a save location and start the conversion. Within minutes, your MSG files will be combined into a properly structured PST file compatible with Outlook on Windows 11.