Download OST to MBOX Free software, it is one of the best conversion tools. The numerous features of this application make it a best solution to save OST files as MBOX files. Convert multiple emails along with attachments from OST to MBOX free. It is possible to convert emails from inbox, outbox, drafts, sent items, etc. into the MBOX file format by retaining complete Meta data. Also, the software will maintain the folder hierarchy while saving OST as MBOX. No size limitation, users can convert number of files at a time. This software supports batch conversion option. OST to MBOX Free software supports all the Windows editions like 10, 8.1, 8, 7, etc.