No IT environment, on-premises or cloud, is immune from accidental deletions or modifications. Active Directory and Exchange (on-premises and Exchange Online) environments are not an exception to that rule.
RecoveryManager Plus empowers you to back up each change made to AD objects as a separate version and restore them to any of their previous version in a few clicks. Additionally, it doubles up as your Exchange backup solution and can back up your emails, calendar entries, contacts, journals, notes, posts, and tasks, and restore them whenever you need.