Direct answer
Microsoft operates a resilient cloud service and provides retention and recovery features, but that does not automatically satisfy every organization’s backup and recovery requirements. Your plan should explicitly cover Exchange, SharePoint, OneDrive and Teams data, define retention expectations and test how information will be restored.
Availability is not the same as backup
Service availability keeps the platform running. Backup and recovery address deletion, corruption, malicious action, retention gaps and the need to restore data to a known point.
Ask four recovery questions
What data is protected? How far back can it be recovered? How quickly can it be restored? When was the last representative restore tested?
Match protection to business value
Not every mailbox or workspace has the same importance. Identify executive communications, financial records, client documents and operational collaboration spaces that need stronger recovery objectives.
Frequently asked questions
Is the recycle bin enough?
Recycle bins and retention features are useful, but they may not cover the required time period, recovery point or incident scenario.
Should Teams be included?
Yes. Teams can connect messages, files, meetings and applications, so its underlying Exchange and SharePoint data should be included in the recovery analysis.