EU/EEA
IMT states that an EU/EEA licence can be used in Portugal until its expiry; residence registration with IMT is required in the applicable situations.
There is no single rule for every foreign driving licence. EU/EEA, OECD/CPLP, bilateral-agreement and non-convention countries are treated differently.
IMT states that an EU/EEA licence can be used in Portugal until its expiry; residence registration with IMT is required in the applicable situations.
Certain licences from OECD and CPLP countries may allow driving in Portugal without exchange if the legal conditions are met. Always check the issuing country and your situation with IMT.
gov.pt states a general period of up to two years for exchange where the licence is from a bilateral-agreement country, subject to the concrete conditions.
IMT states that these licences are not valid for driving in Portugal; exchange has its own requirements and driving tests.