An ann file extension is related to the Microsoft Windows Help, a Windows Help viewing tool and used for its annotation files.

There are 4 other file types using
the ANN file extension!

empty icon.ann - King-FIX file

empty icon.ann - ZEMAX annotations file

empty icon.ann - Lingvo dictionary annotation file

empty icon.ann - ENVI saved map annotation

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ANN file extension - Microsoft Windows Help annotation

What is ann file? How to open ann files?

File type specification:

System file type icon System file type

ann file icon: ann filetype 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:

Microsoft Windows Help icon

Microsoft Corporation logoMicrosoft Windows Help  Microsoft Windows software

Company or developer:
Microsoft Corporation

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.

Help how to open ANN files:

Use Windows Help to work with *.ann files.

How to convert file with extension ANN:

Conversion to other formats is not possible.

List of 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).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting ann files.

  • Open ann file
  • Create ann file
  • Others ann file

Software that open ann file - Microsoft Windows Help annotation

Click on the link to get more information about Microsoft Windows Help for open ann file action.

Microsoft Windows:

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