To Upgrade Tag Sets to Item Types

In the Item Types dialog (Drawing > Attach > Item Types dialog launcher), select Utilities > Upgrade Tag Sets.
The Upgrade Tag Sets dialog opens.
In the Tag sets to upgrade field, turn on the tag sets that you want to upgrade.
(Optional) From the Add to Library drop-down list, select the desired item type library in which you want to create the item types.
Click Upgrade.
The selected tag sets are converted to item types. The tags in each tag set are converted to properties of item types.