Yes it can. A folded 6 3/4 remittance envelope, also known as a 6 3/4 Kost-Kut, measures 3.625" x 6.5" when folded. An A7 measures 5.25" x 7.25" so there is plenty of room.
Can a folded #6 3/4 Remittance Envelope fit in an A7 envelope?

Written by Corey Thompson
Updated over a year ago