Use the Prospector tab or the Point Groups dialog box to identify out-of-date point groups.
Use the Prospector tree to list the point groups in a drawing. An out-of-date point group has 
next to it in the Prospector tree, in the point group list view, and in the Point Group dialog box. When a point group is out-of-date, the points in the point list no longer match the criteria specified on the tabs in the Point Group Properties dialog box.
Note: Out-of-date icons are displayed only if the Toolspace tree modifier icon display is active.
A point group’s point list may be out-of-date when one or more of the following occurs:
- You changed a point property (such as raw description or elevation) of a point belonging to the point group, so that the point no longer meets the criteria for being included in the point group.
- You created new points that match the point group’s properties.
- You deleted points that belonged to the point group.
- A point group that is included in the point group (using the Point Groups tab) became out-of-date due to one of the above causes.