Important Date
| Activities | Deadline |
| 1. Abstract | |
| 1.1 Abstract submission | 15 January 2026 |
| 1.2 Abstract acceptance notification | 10 April 2026 |
| 2. Full paper for MST42 proceedings (optional) | |
| 2.1 Full paper submission | 10 April 2026 |
| 2.2 Full paper acceptance Notification | 30 April 2026 |
| 3. Full paper submission for "Microscopy and Microanalysis Research-The Journal of The Microscopy Society of Thailand (Micros. Microanal. Res.) (optional) | 11 June 2026 |
| 4. Full paper submission for Chiang Mai Journal of Science (optional) |
30 June 2026 |
| 5. Early-bird registration | 15 May 2026 |
| 6. Pre-conference Workshop | 8 June 2026 |
| 7. MST43 | 9 - 10 June 2026 |
| 8. Excursion | 11 June 2026 |