Purge

You can delete unused blocks, text styles, line types, and other elements in the definition table of the document. Purging DWG files reduces or optimizes file size.

1. Click Modify > Purge .
2. From the Purge dialog box, select the elements to purge. You can use the multiselection keys (Ctrl, Shift).
   The Purge dialog box displays Purgeable and Non-purgeable elements. It is possible to purge an element if it is not used in the DWG file.
3. In the Purge dialog box, do any of the following:

   Option	Description
   Confirm the deletion of each element	When selected, a message opens on each deletion. You must validate each deletion.
   Purge nested elements	When selected, any nested elements (elements that depend on other elements) are also deleted.
   Purge Selection	Purges the selected elements.
   Purge All	Purges all elements regardless of the selection.