Page History
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You can sort columns by clicking on the name, e.g. "Summary" on the screenshot above - the arrow shows whether the sorting is ascending or descending; clicking toggles between these options.
The Servername Servername column can be filtered - clicking on the following icon opens the filter dialog (hover your mouse over the column heading to display the icon):
Data Analysis
The right click menu opens several options to further dive into the data:
The Add to Chart... action opens an instant chart directly within the Health Grid.
If Domino Audit is selected, Metabase will be opened in a new tab. The credentials can be found in this article: Metabase Default Users.