![](GUID-654E12A9-F266-455C-A904-B971196CEB48-low.png)
This option displays the Open
dialog allowing you to navigate the directory where your catalogs are stored.
From there you can select new catalogs to use to build the active the
specification.
Note: OpenPlant Specification Generator provides a set of
Imperial, Metric and Mixed Metric catalogs which are installed in the
...Configuration\Workspaces\WorkSpace\Standards\OpenPlant\Catalogs\<Units>\
directory found under the local workspace.
Select a catalog(s) to add to the spec and click
Open to load. Multiple catalogs can be selected
by holding down the
Ctrl button as you make your selections.
Once the catalogs are loaded, you can continue creating
the spec by adding a Spec Header and Spec Sections.