You can use the Commvault software to back up and restore SharePoint on Microsoft Office 365.
Data You Can Back Up
Documents
Libraries
Lists and List Items
Sites and sub sites
Pages
Permissions
Forms
Versions
Templates
Settings and Views
Note: You cannot back up third-party workflows, such as Nintex.
Authentication
During backup operation and restore operation, basic authentication is used by default to access user data. You can also use modern authentication to access user data.