Microsoft Windows Help Annotation File .ann File Extension

Developer:
N/A
File category:
Browse file extensions by their initials
# a b c d e f g h i j k l m n o p q r s t u v w x y z

What are ann files & how to open them - Microsoft Windows Help Annotation File

File category:
Developer:
N/A

The ANN file extension is used by the Windows Operating System for their Help utility.
The file contains annotation information that can be used by Windows Help.