Applies to: ZWCAD Classic; ZWCAD 2015


The options(*opt) file allows the license administrator to control various operating parameters of within the constraints of the license model. Users are identified by their user name, host name, display, IP address.


You can modify these elements in the license file:

  • Allowed features
  • Denied features
  • Reserved licenses
  • Restrict the number of available licenses
  • Control the amount of information logged about license usage
  • Enable file log report


    • Options files allow you, as the license administrator, to be as secure or open with licenses as you like.

    Lines in the options file are limited to 2048 characters utmost. The \ character is a continuation character in options file lines.

    "Feature" in options file, means the product name in license file.


    *.opt file is in the installation direction, just like: 

    C:\Program Files (x86)\ZWLMS Classic Eng\zwflex.opt


    If you want to know more information about *.opt file, please refer to the help file in ZWCAD.