The ideal tool for to migrate multiple MBOX files into Office 365 at once is Advik MBOX Converter. Its incredible features allow you to easily import MBOX to Office 365 without modifying any data. The hierarchy of files and folders is preserved. Additionally, it gives you the ability to filter out all but the chosen MBOX data. Additionally, the program guarantees the preservation of the data hierarchy while converting your file into a variety of widely used file formats, including PDF, MSG, OLM, EML, PST, TXT, and so forth. For users to complete the conversion, no further software needs to be installed. All MBOX-supported email clients are also used by this tool.