Yes. You can change your application method for an open massage therapist application. Massage establishments do not have multiple methods of application.
If you have submitted your application and need to change from examination to endorsement or from endorsement to examination, submit a request to change your method of application in writing to the board office, either by mail or by email to mqa.massagetherapy@flhealth.gov.
Be sure to include your file number in any correspondence related to your application.