How do I store and report historical data values (Intune compliance)

Hi Blue407 

To store and report historical values (like Intune compliance) and track trends over time in Power BI, the best approach is to create periodic "snapshots" of your data, saving those snapshot values along with timestamps in a dedicated table. This enables trend analysis on compliance over months.

Suggested approach:

• Create a separate data storage (e.g. SQL table, SharePoint list, or CSV files in OneDrive/SharePoint) where compliance data snapshots are saved on scheduled intervals (e.g. monthly on the 1st).
• You can automate snapshot capture using Power Automate flows to export current data periodically and append it to your historical store.
• In Power BI, connect to this historical dataset and create measures/tables that track compliance over time.
• Use line charts or other trend visuals in Power BI dashboards to show compliance metrics for the last 6 months or desired period.
• Incremental refresh in Power BI can be used if your historical data storage is in a database to efficiently refresh only new snapshots.
• Alternatively, you can consider a manual snapshot approach if automation is not feasible, export data monthly and load it into a dedicated historical table.

This method ensures you have a reliable historical record of compliance without losing previous days data, enabling ongoing compliance tracking and reporting.

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