Worldox - Worldox is a document and email management solution, that helps to manage share & access all digital content.
ManageEngine M365 Manager Plus - Auditing, monitoring and reporting tool for Office 365
iManage - iManage started its services as document and file management and later on started to store contents as well and to let the businesses to store their files and data for a specified period.
Secure Suite - Cloud Email service
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
Adaxes - Automate active directory