How long can Italian passport holders stay in Thailand with an E-visa and as tourists without a visa?

Italian passport holders can typically stay in Thailand for 60 days under the visa exemption policy when entering as tourists. This can be extended for an additional 30 days at local immigration offices. For those using a Thai E-visa, the duration would be determined by the specifics of the E-visa type, but generally, it also allows for a stay similar to tourist visas.