WholeClear OST to TGZ Converter provides a reliable and efficient tool for OST to TGZ conversion. This tool provides an effective way to convert OST files to TGZ format even for novice users. This tool is ideal for IT, individual users, as well as organizations and businesses. It allows users to convert their complete mailbox data, including emails, contacts, attachments, and other mailbox items, to the IBM NSF file format. It maintains the folder hierarchy and structure and ensures no data will be lost during the conversion process. This tool offers many features like bulk conversion, selective data conversion, and a preview of the mailbox before the conversion process. It has a user-friendly interface that makes it easy to use for both technical and non-technical users.