Prompt for sending reviewed document to author

"Never ask user": Do not ask users if they want to send back changes to the author. | "Prompt for 'send for review"': Ask users if they want to send back changes to the author only if the document was sent using Send For Review and not with ad-hoc review. | "Always prompt": Ask users if they want to send back changes to the author for documents sent using either Send For Review or ad-hoc review.

0. Never ask user
   

   Registry Hive	HKEY_CURRENT_USER
   Registry Path	software\policies\microsoft\office\15.0\common\general
   Value Name	prompttoreturnreviewbehavior
   Value Type	REG_DWORD
   Value	2

1. Prompt for 'send for review'
   

   Registry Hive	HKEY_CURRENT_USER
   Registry Path	software\policies\microsoft\office\15.0\common\general
   Value Name	prompttoreturnreviewbehavior
   Value Type	REG_DWORD
   Value	1

2. Always prompt
   

   Registry Hive	HKEY_CURRENT_USER
   Registry Path	software\policies\microsoft\office\15.0\common\general
   Value Name	prompttoreturnreviewbehavior
   Value Type	REG_DWORD
   Value	0