Can I extend my 90-day non-immigrant visa by 60 days at the Buriram immigration office while visiting family?

The user inquired about extending their non-immigrant visa, specifically a 90-day visa for visiting family, by an additional 60 days at the Buriram immigration office. They mentioned being married to a Thai citizen and asked about the possibility and documentation required for this extension. According to community replies, it is indeed possible to get a 60-day extension for family visits, but the user should verify the exact documents required at the specific immigration office, as well as the fees involved.