If you don't know how to set the .bxl file association, check the FAQ. Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
Social work licensure and certification, including specialty certification, must be maintained by completing continuing education courses. Requirements for the number of hours and the types of courses that can be taken vary for each state.
Although a bachelor's degree is sufficient for many entry-level social service jobs, many social worker jobs, including those that involve providing therapy, require a master's degree. Earning a master's degree in social work requires about two years of study beyond the bachelor's degree. In addition, being qualified to provide therapy as a clinical social worker requires hours of supervised clinical experience.