Sometimes a material is no longer used by your organization, but you cannot remove it from Cartegraph because it is associated to tasks. To make sure a material is not longer used, mark it inactive.
- Click the Resources tab.
- In the left panel, select Material.
- Click Add layer.
- In the list view, select the material to mark inactive and click .
- In the Details group header, click Edit.
- Scroll to the Relevant Dates section, and select the Inactive check box.
- Click Save.
The material remains in the list view, but is not available when selecting materials in the time sheet or distributing resources.