In CONNECT there is a button, that exports all projects in my company to a csv (screenshot 1). In BIC this button is missing (see suggestion for button in screenshot 2).

Also please consider the helpful input of P365-I-665, which asks for some more project details but did not mkake it clear the the export button does not exist at all: https://projectwise365.ideas.aha.io/ideas/P365-I-665