Export your layer list to Excel
Although there are some great tools out there for dumping your layer list to Excel, such as the one from Dotsoft, if you are not particular about the look of the output, there is a fast way to do this using only AutoCAD and Excel.
- Open your layer manager
- Click on any layer, then press CTRL+A. This will select all of the layers.
- Press CTRL+C to copy this to the clipboard.
- Open Excel, click in cell A1, and press CTRL+V.
This works with both the old style model layer manager and the new palette based layer manager on AutoCAD for Windows (use LAYERDLGMODE to control). I do not know if this will work on AutoCAD for Mac.