en WordPress.com Forums › Support Posterous import. Is my file too big? Author Posts February 21, 2013 at 12:57 am #1160711 jacobhofmeisterMember My posterous file is 542 mb. Is that too big to import without upgrading my space on my wordpress site? Do I need to upgrade? And if so, how much? The blog I need help with is 50faiths50states.wordpress.com. Author Posts The topic ‘Posterous import. Is my file too big?’ is closed to new replies.