Today’s tip comes to you courtesy of Cadalyst Magazine’s “Tips & Tools Weekly” newsletter. Sign up for your own copy or browse the archives here. Admittedly a lot of the tips are LISP-based, but there are plenty that aren’t, or are like this one and can be adapted. CAD Designer Sam Lucido writes: "I often find myself working in a drawing with one or two very large external references attached. Sometimes I just want to unload (not detach) those files to focus on the area I am working in. These macros will do just that— un them and AutoCAD will load or unload all references within the file. This clears up the area and saves on regen time as well! This macro will unload all references: ^C^C-XREF;U;* This macro will load all references: ^C^C-XREF;R;* You can put these on a toolbar, ribbon panel, tool palette, or in a menu—wherever they might make your day easier. Enjoy!Go to the original post...