Counter K this morning at MTT to get my 60 days extension. Arrived 840am, go up to 4th floor to get queue number. Seated in second room starting with no. 120. Collected my passport on other room at 10.35am. They seem to process fairly quickly and efficiently given the volume.
TLDR : Answer Summary
This post provides a firsthand account of the process for obtaining a 60-day visa extension at the MTT office in Thailand. The user arrived early, received a queue number, and noted that the processing was efficient, suggesting a smooth experience despite the high volume of applicants.