The easy way is to simply go FILE > INSERT FROM FILE > VIEWS then browse to the file that has the DV that you want to insert. Revit will create the view with the geometry for you. However, this really is only good for one use as it has a tendancey to create more work than it's worth. If the file you are inserting INTO already has this drafting view, it will duplicate the drafting view as well as the elements inside the drafting view. For example: Let's say you are setting up a detial library using .rvt files with drafting views and you insert a ftg detail into your project. Three hours later there is an update to this deatil so you reinsert this into your project. If you did not delete the drafting view, any groups associated w/ it, Revit will duplicate them. Now your project has ftg detail 2 inside your project. In some (MOST) cases it will also duplicate detail components associated with the detail. Now you not only have a duplicated view, but multiple components as well...gets to be a really big mess especially if end users aren't watching for this. Instead I turn the elements from the drafting view into a group, then under the file menu SAVE TO LIBRARY > SAVE AS GROUP. I then take that group and load it into my project and place it into a drafting view that I made. I do it this way because if the detail changes all I have to is apply those changes to the detail then just reload it and I now have the current version of the detail w/o any of that anoying duplication...it will act more like an xref this way. Another option you could use is create a drafting view in your project and set it up to match the one that you need and instead of inserting the view, select the 2D ELEMENTS option. That will just give you the elements and not the drafting view...basicaly copy/paste. You have to create the view yourself, but it does seem to limit the duplication. HTH
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