Merge pull request #22958 from MicrosoftDocs/camillepack-6873066

Update active users definition for usage report

Author: garycentric

copilot/microsoft-365-copilot-overview.md

@@ -92,7 +92,7 @@ The semantic index brings a whole new world of understanding to your data in Mic
 
 The semantic index does more than enhance search results; it works to help you understand your data, find information quicker and improve productivity. Users can interact with the semantic index initially through Microsoft 365 Chat integration, and then over time, Microsoft will improve the search experience in SharePoint Online, Microsoft Teams, and the Microsoft 365 app:
 
-:::image type="content" source="media/microsoft-365-chat-search-index.png" alt-text="Diagram that shows the relationship between Microsoft 365 Chat and Microsoft Search.":::
+:::image type="content" source="media/microsoft-365-chat-search-index.png" alt-text="Diagram that shows the relationship between Microsoft 365 Chat and Microsoft Search." lightbox="media/microsoft-365-chat-search-index.png":::
 
 Microsoft 365 Copilot and Microsoft 365 E3, E5, Business Standard and Business Premium customers will receive the features as part of a phased rollout, with status updates shared via the [Microsoft 365 admin center](https://admin.microsoft.com/) and [Microsoft 365 public roadmap](https://www.microsoft.com/microsoft-365/roadmap).
 

microsoft-365/admin/activity-reports/microsoft-365-copilot-usage.md

@@ -43,7 +43,7 @@ You can use this report to see the usage of Microsoft 365 Copilot in your organi
 
 **Enabled Users** shows you the total number of unique users in your organization with Microsoft 365 Copilot licenses over the selected time period.
 
-**Active Users** shows you the total number of enabled users in your organization who performed a specific activity, including have either tried a user-initiated Microsoft 365 Copilot feature or kept the content for Microsoft 365 Copilot initiated features, in one or more Microsoft 365 apps over the selected time period.
+**Active Users** shows you the total number of enabled users in your organization who tried a user-initiated Microsoft 365 Copilot feature in one or more Microsoft 365 apps over the selected time period.
 
 **Active users rate** shows you the number of active users in your organization, divided by the number of enabled users.
 
@@ -96,7 +96,7 @@ To ensure data quality, we perform daily data validation checks for the past thr
 
 ## User activity table
 
-| **Item**                                       | **Description**                                                                                                                               |
+| Item | Description |
 |------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------|
 | User name                                      | The user's principal name.                                                                                                                    |
 | Display name                                   | The full name of the user.                                                                                                                    |