Free download Office 365 Backup Tool. You can easily backup all the data to Office 365 mailbox including emails, contacts, calendars and tasks to Encrypted backup file. One of the best thing about the tool is Incremental Backup with AES 256-bit Encryption.
If you want to backup selective Mailbox from Office 365 to Encrypted file, you can accomplish the backup using EdbMails office 365 email backup tool.
Features of Office 365 Backup
You can set Private Encryption Key for the backup for an additional protection for your data
Save Office 365 Mailbox backup on your local computer or on network / shared drives
Incremental backup: Consecutive backup will only backup newly added items to your mailbox there by saves bandwidth, disk space and time.
Keeps upto 30 incremental versions on your local backup
Highly Compressed and Incremental backup will enhance backup performance
Granular backup of Office 365 mailbox can backup Emails, Contacts, and Calendar, task etc.
Configure backup in 2 clicks by using ease of use and user-friendly application interface.
Filter Office 365 Mailbox backup by Date, Subject, Attachment, Email address etc.
Backup single mailbox as well as multiple mailboxes from Office 365
Backup office 365 mailbox to pst
Backup Archive Office 365 mailboxes
Backup Public folder Office 365 mailbox
More info:Office 365 backup mailbox | Office 365 how to backup mailbox