Using the professional and safe WholeClear OST to PST Converter Software is the fastest way to convert OST files to PST files without wasting time. It has a user-friendly interface, so all users can easily use it. Converting OST files to PST files is quick and safe without deleting data. The software can convert more than one OST file into a PST file, and there is no limit on the size of the files. All of the contacts, emails, notes, messages, and other information in OST files are converted into Outlook PST files. It works with Microsoft Outlook 2000 through 2021. It converts password-protected OST files to PST format without any error. Users can also try the trial version for free and explore the software's features.