Quick Access Panel: 
Ribbon: Editor > Instruments > Embed all
Embedding of all Xref files from the active layout to the current drawing. After embedding of CAD files added with the command "Merge" a block containing the Xref is created in the current file. After embedding of raster images added with command "Image" a raster image is embedded as OLE object. The command is used to create The command is used to create archive files that include Xref content. It enables the user to relocate the basic file without additional files used as Xrefs.
The command Embed is available in the context menu and embeds only the selected Xref file.
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