This command creates a text file list all of the symbol definitions and symbol folders within the active drawing.
To list symbols and folders:
1. Select Tools > Utilities > List Symbols.
The List Symbol dialog box opens.
2. Select either List Symbols and Folders or List Folders Only.
3. Click OK.
The Save File dialog box opens.
4. Enter a new file name or use the default name, and then click Save.
A text file is created listing the names of all the folders and, if chosen, symbols within the current file.