The WholeClear OST to MBOX Converter Software is an excellent solution that easily converts OST files into MBOX file format with just a few clicks. The application imports OST to Thunderbird, Apple Mail, Entourage, Opera Mail, and other MBOX-supportive email clients. Technical and non-technical users can easily convert an OST file into an MBOX file format without any data loss. This tool is for complete maintenance of email content, formatting, and attachments. This tool enables the preview function in the conversion application, so you can see all the mailboxes before the conversion. This is a fully trusted conversion application, so users do not require any additional tools for the conversion. This tool provides 100% successful conversion outcomes at any time after the conversion. This tool completely preserves the hierarchies of OST folders and sub-folders. The converted MBOX file can be easily saved in the desired location on your system. If you want to check out more information about the advanced conversion application, you can try the free demo version, which allows you to convert a few items in each folder. This utility effortlessly runs with all the Windows operating system versions, such as 7, 8, 8.1, 10, XP, and Vista.