Solution · sprawl control

Sprawl Control Across Microsoft 365

Detect abandoned Teams, orphaned SharePoint sites, and ungoverned Microsoft 365 Groups. Automate cleanup and enforce creation policies across your entire M365 estate, from 500 to 250,000+ users.

Published 14 May 2026 For Head of IT, M365 Product Owner, IT Admin

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Sprawl control is the continuous detection and remediation of abandoned, orphaned, and ungoverned resources across Microsoft 365. Teams created for one-off meetings, SharePoint sites without owners, Groups nobody uses, each one consumes storage, carries stale permissions, and expands the surface Copilot indexes. Rencore discovers every resource across 80+ service types, applies inactivity policies, and automates the path from detection through owner notification, attestation, archival, and deletion.

The sprawl economics nobody calculates

Every abandoned Teams workspace costs more than its storage. It carries stale permissions that represent unreviewed access. It contains files that Copilot can index and surface. It consumes IT attention when it appears in compliance reports. It generates helpdesk tickets when someone stumbles into it.

Multiply by thousands. The average enterprise with 5,000+ Microsoft 365 users has between 30% and 50% of their Teams and SharePoint sites inactive. That is not a cleanup project, it is a structural governance gap.

Why manual cleanup fails

IT teams who attempt manual sprawl cleanup face a predictable pattern: an initial burst of reviews clears the obvious cases, then the effort stalls because nobody can confirm ownership of the remaining resources. The backlog grows faster than the cleanup rate because users keep creating new resources while IT reviews old ones.

The only approach that scales is automated lifecycle governance, where policies define inactivity thresholds, workflows notify owners, attestation confirms decisions, and archival or deletion happens without manual IT intervention.

Prevention over remediation

Cleaning up sprawl is necessary. Preventing it is better. Rencore’s provisioning templates enforce naming conventions, required metadata, and approval workflows at creation time. New Teams and SharePoint sites start with owners, expiration dates, and governance policies, instead of being created with a click and forgotten.

How to start

Connect your Microsoft 365 tenant to Rencore and run an inventory scan. Within hours you will see every resource by type, activity status, ownership, and last-modified date. Start with the highest-impact cleanup: inactive Teams and orphaned SharePoint sites. Then roll out provisioning controls so new resources are governed from creation.

"We have 14,000 Teams. Nobody knows how many are still in use. My team cannot review them manually, we need automation."

Head of IT Sprawl assessment

"Every abandoned site is a potential Copilot data source. Cleaning up sprawl is not housekeeping anymore, it is a security decision."

M365 Product Owner Copilot readiness project

What Rencore does

Discover

Inventory across 80+ M365 service types
Detect inactive Teams, sites, and Groups
Identify orphaned resources without owners
Map resource dependencies and membership

Govern

Provisioning templates with naming standards
Approval workflows for new resource creation
Metadata requirements at provisioning time
Ownership assignment at creation

Clean up

Owner notification and attestation workflows
Automated archival for confirmed inactive resources
Storage reclamation and permission cleanup
Scheduled deletion with configurable retention

"You don't know what's happening in the cloud, and you don't have any visibility. If bad things happen and people start to create teams unchecked, you will not know it."

— IT Manager , IT Manager · Ville de Luxembourg

Frequently asked questions

What is workspace lifecycle governance?

Workspace lifecycle governance manages Microsoft 365 resources from creation through inactivity detection, archival, and deletion. It covers Teams workspaces, SharePoint sites, Microsoft 365 Groups, and distribution lists. Without lifecycle governance, abandoned resources accumulate, expand the attack surface, inflate storage costs, and pollute Copilot search results. Rencore automates lifecycle stages with policy-driven triggers, owner attestation, approval gates, and full audit trails.

What does Rencore discover during inventory scanning?

Rencore automatically inventories all resources across connected services: Microsoft 365 sites, teams, groups, mailboxes, Power Platform apps and flows, AI agents, plus the equivalent objects in Slack, Box, Confluence, Claude, and every other connector. Discovery runs continuously with delta detection, so new resources appear within minutes of creation.

How do Rencore policies work?

Rencore ships with hundreds of pre-built policies that detect governance violations across every connector, oversharing, sprawl, cost overruns, security risks, and compliance gaps. Policies run on a continuous schedule, evaluate each discovered object against configurable rules, and flag violations with severity (High, Medium, Low), category, and a recommended action.

Can I build custom automations in Rencore?

Yes. Rencore's V3 automation engine supports custom workflows with branching logic, conditional steps, multi-step approvals, and multiple action types. You can trigger automations from policy violations, schedules, or manual initiation. Built-in integrations include ServiceNow, webhooks, Power Automate, and Copilot Studio for extending governance into other systems.

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