The MailConverterTools Office 365 Backup Tool is the best choice if you're looking for a method to backup Office 365 emails. Using this top-notch utility, users can export Office 365 emails to PST, MBOX, CSV, EML, and PDF. This tool maintains the integrity of the data, the tool stores the output files in the same hierarchical order as seen in the input files. The software offers a duplicate mail removal feature that helps users to quickly skip duplicate emails in Office 365 folders based on Subject, From, To, and Body. Any technical and non-technical user can handle the tool effortlessly. Apart from this, the software is compatible with Windows and Mac OS.