This study verifies whether foreign presence namely Greenfield and Joint venture reduce or push up local firms’ exports behaviours using the Heckman sample selection model pooled over a survey firm-level panel data in Cameroon during 2006-2016 provided by the World Bank. we found that (i) Joint venture activities have more significant positive impact on Cameroonian export behaviours than greenfield affiliate; and (ii) such externalities are heterogeneous and depend on Cameroonian firm-level characteristics. Firm size, and firm age are found to have significantly positive impacts on the joint venture export externalities magnitude, while access land and financing and transport-related obstacles exert significant negative impacts on their side. Only the transport obstacle has a statistically significant negative effect on the greenfield export spillovers magnitude. Our findings present significant implications for policy makers seeking to help domestic firms benefit more from foreign-linked export spillovers such as promoting export-oriented joint venture and reducing obstacles related to accessing land and financing formalities and less complex appropriate customs measures.