interoffice
in·ter·of·fice
(ĭn′tər-ô′fĭs, -ŏf′ĭs)adj.
Transmitted or taking place between offices, especially those of a single organization: an interoffice memo; interoffice conferences.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
interoffice
(ˌɪntərˈɒfɪs)adj
existing or transmitted between two or more offices of an organization
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
in•ter•of•fice
(ˌɪn tərˈɔ fɪs, -ˈɒf ɪs)adj.
functioning or communicating between the offices of a company or organization.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.