MarkCommentsWith Property
Returns or sets the string with which Microsoft Word marks comments in e-mail messages. Read/write String.
expression.MarkCommentsWith
expression Required. An expression that returns an EMailOptions object.
Remarks
The default value is the value of the UserName property.
Example
This example sets Word to mark comments in e-mail messages with the initials "WK."
Application.EmailOptions.MarkCommentsWith = "WK"
Application.EmailOptions.MarkComments = True