How to Create a Microsoft 365 Copilot Readiness Audit Plan

Deploying Microsoft 365 Copilot requires more than flipping a license switch. Many organizations discover mid-deployment that their data is scattered, permissions are misconfigured, or users lack the necessary Microsoft 365 licenses. A readiness audit plan helps you identify these gaps before rollout. This article explains how to build a structured audit plan that covers licensing, data hygiene, security, and user readiness so your Copilot deployment succeeds without surprises.

What a Copilot Readiness Audit Plan Covers

A readiness audit plan is a structured checklist that evaluates your Microsoft 365 tenant for Copilot deployment. It covers four domains: licensing, data quality, security and compliance, and user capability. Each domain must meet specific thresholds before Copilot can function correctly and securely.

The audit does not require special tools. You use the Microsoft 365 admin center, Microsoft Purview compliance portal, and PowerShell scripts where needed. The output is a report that lists gaps, recommended fixes, and a deployment timeline.

Licensing Requirements

Each user assigned a Copilot license must also have one of these base plans: Microsoft 365 E3, Microsoft 365 E5, Microsoft 365 Business Standard, or Microsoft 365 Business Premium. The base plan provides the underlying services like Exchange Online, SharePoint Online, and Microsoft Teams that Copilot relies on. Without a base plan, Copilot cannot access the Microsoft Graph data it needs to generate responses.

Data Hygiene Prerequisites

Copilot indexes content from SharePoint, OneDrive, and Exchange. If your tenant contains duplicate files, broken permissions, or inactive sites, Copilot may surface stale or incorrect information. The audit must identify and clean these artifacts before deployment.

Security and Compliance Boundaries

Copilot respects sensitivity labels, retention policies, and conditional access policies. If these are not configured or are misconfigured, Copilot might expose content that should remain restricted. The audit verifies that data classification and access controls are in place.

User Readiness Factors

Users need a baseline understanding of Microsoft 365 apps, prompt engineering, and data privacy. The audit checks whether training materials exist and whether users have completed prerequisite learning paths.

Steps to Create the Audit Plan

1. Inventory current licenses
   Sign in to the Microsoft 365 admin center. Go to Billing > Licenses. Export the list of all users and their assigned licenses. Filter for users who already have a Copilot license. For each user, verify they also have an eligible base plan. Mark any user who lacks the base plan as a licensing gap.
2. Audit SharePoint and OneDrive content
   Use the SharePoint admin center to review all site collections. Identify sites that have no owner, have not been accessed in 90 days, or contain oversized files above 1 GB. For OneDrive, review accounts of former employees that still hold data. Flag these for cleanup. Use PowerShell cmdlets like Get-SPOSite and Get-SPODeletedSite to generate a full inventory.
3. Review permissions and sharing settings
   In the SharePoint admin center, go to Policies > Sharing. Check whether external sharing is set to Anyone or New and existing guests. Copilot indexes content up to the permission level it inherits. If external sharing is too broad, Copilot may surface content to unintended internal users. Set external sharing to Existing guests or Specific people only where possible.
4. Run a data classification scan
   In the Microsoft Purview compliance portal, go to Data classification > Overview. Run the built-in trainable classifiers to detect sensitive information types such as credit card numbers, passport numbers, or internal project codes. Review the results and apply sensitivity labels to content that requires restriction. Copilot will not expose labeled content to users who lack the appropriate label permissions.
5. Check conditional access policies
   In the Microsoft Entra admin center, go to Protection > Conditional Access. Review policies that apply to all cloud apps. Ensure that Copilot is included in the policy scope. If your organization requires multi-factor authentication for all users, confirm that the policy applies to the Copilot service principal. Without this, users could bypass security controls when using Copilot.
6. Verify Microsoft Teams data sources
   Copilot can read chat messages, channel posts, and meeting transcripts. In the Teams admin center, go to Teams > Manage teams. Review each team for inactive channels, orphaned guests, and excessive file uploads. Remove teams that are no longer active. For active teams, ensure that meeting recordings are stored in OneDrive or SharePoint, not locally.
7. Assess user training completion
   In the Microsoft 365 admin center, go to Reports > Usage > Training. Check whether users have completed the Microsoft Copilot learning path on Microsoft Learn. If the tenant uses a learning management system, pull the completion report for the Copilot readiness module. Users who have not completed training should receive a mandatory assignment before their Copilot license is activated.
8. Generate the readiness report
   Compile the findings from all previous steps into a single document. Use a table format with columns for Domain, Status, Gap Description, and Remediation Action. Share the report with the deployment team and assign owners for each remediation item. Set a target date for each fix.

Common Audit Gaps and How to Address Them

Duplicate or orphaned SharePoint sites

If your SharePoint inventory reveals hundreds of sites with no owner, Copilot may index content that is out of date or irrelevant. The fix is to assign site collection administrators to each orphaned site or delete sites that have not been accessed in 180 days. Use the SharePoint admin center to bulk delete or transfer ownership.

Inconsistent sensitivity labels across departments

One department may label a document as Internal while another labels the same type as Confidential. Copilot treats each label according to its own permissions. If labels are inconsistent, Copilot may apply the wrong access restriction. Standardize label definitions across all departments using the Microsoft Purview compliance portal. Create a label policy that applies to all users.

Users with no base license but assigned Copilot

This is the most common licensing error. A user with only a Copilot license and no E3 or E5 plan will see an error when trying to open Copilot in Word or Teams. The fix is to assign the missing base license through the Microsoft 365 admin center. If the user does not need the full E5 suite, assign E3 or Business Standard instead.

Conditional access policies that block Copilot

Some organizations create a conditional access policy that blocks all access from unmanaged devices. If Copilot is not added as an exception, users on personal devices may be blocked. In the Entra admin center, add the Copilot app ID to the policy exclusion list or create a separate policy for Copilot with device compliance requirements.

Audit Plan Scope: Full Tenant vs Pilot Group

Item	Full Tenant Audit	Pilot Group Audit
Scope	All SharePoint sites, OneDrive accounts, Teams, and Exchange mailboxes	Selected sites, accounts, and mailboxes of pilot users only
Time investment	2 to 4 weeks depending on tenant size	3 to 5 days
Data classification required	Full scan of all sensitive content	Scan limited to pilot user content
Risk level	Low, because all gaps are identified before deployment	Medium, because gaps outside the pilot group may appear after full rollout
Recommended for	Organizations with fewer than 500 users or strict compliance requirements	Organizations with more than 2000 users who want to test Copilot before full investment

Choose the full tenant audit if your organization has fewer than 500 users or operates in a regulated industry. Choose the pilot group audit if you have a large tenant and want to validate Copilot behavior before committing to a full cleanup. Regardless of the scope, the same seven audit steps apply.

Conclusion

You now have a structured plan to audit your Microsoft 365 tenant for Copilot readiness. Start with the licensing inventory, then move through data hygiene, security, and user training. Use the readiness report to track remediation tasks and assign owners. After all gaps are closed, activate Copilot licenses for your pilot group first. For advanced governance, configure a conditional access policy that requires multi-factor authentication for Copilot access and apply sensitivity labels to all internal documents before full rollout.