Can I restore specific file types from an S3 bucket without recovering the entire bucket?

Yes, Clumio allows you to filter by object key patterns (such as file extensions like .xls) within specific S3 prefixes, enabling you to restore only the file types you need while leaving other data untouched.

What happens if files already exist in the target location during a restore?

Clumio will warn you that existing objects are present in the specified prefix and give you the option to overwrite them, which is useful for replacing compromised files with clean backup copies.

Granular S3 Restore with Clumio Prefix Filtering

Name: Granular S3 Restore with Clumio Prefix Filtering
Uploaded: 2026-02-22T16:13:39-05:00
Duration: 2 min 39 s
Description: TL;DR Clumio enables granular S3 restore operations at the prefix and file-type level, allowing selective recovery without restoring entire buckets. The demo shows a ransomware recovery scenario where compromised Excel files are overwritten with clean ...

Commvault

02/22/2026

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TL;DR

Clumio enables granular S3 restore operations at the prefix and file-type level, allowing selective recovery without restoring entire buckets.
The demo shows a ransomware recovery scenario where compromised Excel files are overwritten with clean copies from a previous backup point using object key filtering.
Organizations can achieve faster recovery times and reduced business disruption by targeting specific data subsets rather than performing full bucket restores.

Summary

This demonstration showcases Clumio's granular S3 restore capabilities, focusing on prefix-level and file-type filtering for targeted recovery operations. The walkthrough illustrates a practical ransomware recovery scenario where an operations team's Excel files within a specific S3 bucket prefix need to be restored to a clean state from a previous backup point. The demo emphasizes the efficiency of restoring only specific file types rather than entire buckets, highlighting how organizations can achieve faster recovery times and minimize business disruption. The workflow demonstrates calendar-based restore point selection, object key filtering, preview verification, and overwrite capabilities. By enabling file-level granularity within S3 prefixes, Clumio positions its solution as a precision tool for managing complex cloud storage environments where selective recovery is critical for operational continuity and cost optimization.

Chapters

0:00 - Introduction to Prefix Restore
0:44 - Navigating to S3 Restore
1:06 - Filtering and Previewing Files
1:30 - Executing the Restore Operation
1:54 - Verifying Recovery in AWS

Key Quotes

0:04 "In this demo, we will be showing you how to restore specific file types from an S3 bucket prefix to a previous point in time."
0:10 "This is particularly useful when you need to overwrite potentially compromised files with clean copies from a healthy backup."
2:20 "This targeted approach means faster recovery times and less disruption of your business operations."

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TL;DR

Summary

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