There is a 45-minute, pre-recorded training available here.
Tyler Technologies offers webinars on the www.efilewa.com website under Information for Filers. They also offer regularly-scheduled, live online training sessions for File & Serve. To access the training schedule, click here. If the page is blank, there are currently no webinars scheduled.
Note: Tyler, not the Snohomish County Clerk, provides the training. Tyler trainings are not Snohomish County Clerk specific.