Ninjaone iconNinjaoneJun 29, 2026

How to Back Up Microsoft 365 Emails and Files

Microsoft 365 stores business-critical data across Outlook, OneDrive, and SharePoint. While Microsoft includes built-in data protection features, these are designed for availability and retention, not full backup.

Share this story

Send the public story page.

Useful takeaways from this story.

Microsoft 365 stores business-critical data across Outlook, OneDrive, and SharePoint.

While Microsoft includes built-in data protection features, these are designed for availability and retention, not full backup.

This guide covers how to back up Outlook emails and files in Microsoft 365.

Building the complete brief

The page is ready to read now. The fuller skim-friendly version will appear here automatically.

The useful part

Microsoft 365 stores business-critical data across Outlook, OneDrive, and SharePoint. While Microsoft includes built-in data protection features, these are designed for availability and retention, not full backup. Data can still be permanently lost through accidental deletion, ransomware, or retention policy expiration.

How it works

  • This guide covers how to back up Outlook emails and files in Microsoft 365.

Keep reading in the app

Open the app view to save this story, compare related coverage, and continue from the same source.

Open in app