Microsoft 365 planning tool

Microsoft 365 Tenant Duplicate Savings Estimator

Estimate recoverable storage across a Microsoft 365 user population from sampled duplicate rates.

Free to use No installation Conservative by design

Users in scopeAverage storage per userGBSampled extra-copy rate%

Estimated duplicate storage

3.3 TB

Storage represented: 41.5 TB
Sample rate applied: 8%

Estimated duplicate TB

Potential retained storage

Range for business planning

How it works

A useful answer in three clear steps.

1
Enter user count and average storage
Complete this check before moving to the next decision.
2
Add a sampled duplicate percentage
Complete this check before moving to the next decision.
3
Validate with a broader metadata inventory
Verify the final result against your current cloud drive or organizational policy.

Frequently asked questions

Before you use this tool

Is the Tenant Duplicate Savings free to use?

Yes. You can use this tool in the browser without creating an account or installing software.

How accurate is the Tenant Duplicate Savings?

The arithmetic uses the values you provide. Its usefulness depends on whether those inputs represent the real drive, team or transfer conditions, so treat the result as a planning estimate.

Can this tool delete or change my cloud-drive files?

No. This page does not connect to your cloud account and cannot rename, move or delete files. It produces an estimate, analysis or checklist for you to review.

What should I do after using the Tenant Duplicate Savings?

Validate with a broader metadata inventory. This is not a tenant scan and cannot account for SharePoint sites, retention holds or shared libraries.

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