Activity › Forums › Adobe After Effects › trying to remove black letter box Adobe After Effects trying to remove black letter box Posted by Nitai Lev-oren on January 20, 2019 at 3:40 pm trying to export WMV to import to power point and this is a vertical video and I need to remove the blacks from the sides. somebody know how to that? Max Haller replied 7 years, 6 months ago 2 Members · 1 Reply 1 Reply Max Haller January 23, 2019 at 3:36 pm Yes either put some sort of mortise on the sides that matches the slide background or just lower the width on the output until it fits what you want. Reply to this Discussion! Login or Sign Up Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Reply to this Discussion! Login or Sign Up