The ann file extension is related to the Microsoft Windows Help a Windows Help viewing tool and used for its annotation files.
ANN file extension - Microsoft Windows Help annotation file
What is ann file? How to open ann files?
File type specification:
ann file icon:
The ann file extension is associated with the Microsoft Windows Help system used for browsing in the help documents distributed with the Windows operating system.
The *.ann file stores annotation.
The default software associated to ann file type:
Company or developer:
Microsoft Windows Help is used to create help files for Microsoft Windows operating system and other Microsoft applications. Windows Help SDKs are different for every version of Windows it can be called Windows Help, Help and Support Center, Assistance Platform 1.0 Client - Windows Vista Help SDK, Microsoft Windows: HTML Help 1.4 etc.
List of recommended software applications associated to the .ann file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file: like open ann file, edit ann file, convert ann file, view ann file, play ann file etc. (if exist software for corresponding action in File-Extensions.org's database).
- Others ann file
Unspecified and all other actions for computer programs working with ann file - Microsoft Windows Help annotation file
Click on the software link for more information about Microsoft Windows Help. Microsoft Windows Help uses ann file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).