Autocad migration settings in the .zip file are empty (blank)
When you migrate your custom settings and you export them out in AutoCAD, you will get a 3.5 MB - 7 MB empty zip file.
To import and export your settings, you will need to go here:
Start > Program Files > Autodesk > AutoCAD > Migrate Custom Settings > Export AutoCAD 2010 Settings
Using the default zip viewer in Windows XP, Vista, Windows 7, the file will be empty (blank). You will need to download Winzip
to view the contents of this file.