Presently, O365 service is used Cloud system so if you want to back up your E-mail to local disk, you can use Veeam backup with feature Backup O365 helping you collect you significant data to your local disk. It can save file format that can browse attached file. You won’t concern about deleted data when you want to browse them back. More information presale@csloxinfo.net
Now! Backup your data O365 to your local disk