The WholeClear OST to Office 365 Converter contains advanced features that allow users to easily import OST files into Office 365/Exchange Online with 100% accuracy. The utility ensures that OST-to-Office 365 conversions are seamless while preserving the original data. The software allows for the simple migration of multiple OST files to Office 365 with no file size constraints. The software also maintains folder hierarchy and data integrity during the conversion. The OST to Office 365 Migration application supports all versions of Microsoft Outlook. The software works with all versions of Windows including 11, 10, 8.1, 8, 7, XP and Vista. For additional details, try the demo version by processing a few OST files.