User Configuration > Administrative Templates > Microsoft Office 2016 > IME (Japanese)
User
HKCU\software\policies\microsoft\imejp\16.0\wswordcomment\plugins\mapi
This policy setting allows you to specify the fields to display in the comments in the Outlook Contacts Dictionary. This policy setting applies to Japanese Microsoft IME only. If you enable this policy setting, you can specify the fields to display by setting strings, which are represented by the following identification letter IDs. You must also use any IDs/strings in the following sequence. ID for each field is as follows: a = Full Name c = Phonetic Name e = Company Name f = Department Name g = Title h = Office Location j = Email Address k = Business Telephone Number l = Business Address For example, if you want to display Full Name, Phonetic Name and Company Name, specify 'ace'. If you do not configure this policy setting, Full Name, Phonetic Name, Company Name, Department Name, and Job Title are displayed in the comments in this order.