Storage Monster — SharePoint & OneDrive Storage Cleanup

Find and remove storage waste across Microsoft 365 — stale files, version bloat, and duplicates in SharePoint and OneDrive. Reclaim quota and cut costs in one scan.

Storage Monster — Microsoft 365 Storage Clean UpStorage Monster scans your Microsoft 365 tenant for storage waste: stale files, duplicate content, version bloat, and oversized media across SharePoint Online and OneDrive for Business. Most organizations reclaim 20–35% of allocated storage on the first scan. Connect your tenant via read-only Microsoft Graph OAuth, run a cloud scan, review actionable findings, and clean up with one-click remediation or an exported PowerShell script. Built by Collaboration NEXT GmbH — a Microsoft 365 specialist firm based in Bern, Switzerland.Key Features

Cloud scan via Microsoft Graph API — no scripts, no installation

Local offline PowerShell scan — data never leaves your network

Version bloat detection and trimming

Duplicate file identification across sites and drives

Stale file reports with last-modified analytics

Free storage savings calculator and ROI estimator

EU data residency, AES-256 encryption, SOC 2 aligned

Legal & PrivacyPrivacy Policy · Terms of Service · Data Processing Agreement · Security Overview