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

ann file icon.ann - King-FIX file

ann file icon.ann - ZEMAX annotations file

ann file icon.ann - Lingvo dictionary annotation file

ann file icon.ann - ENVI saved map annotation

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ANN file extension - Microsoft Windows Help annotation file

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 logo Microsoft 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:

Unless there are suggested applications listed below the extension description, that are able to open the system files, there is usually no way to directly open or access system files as their functionality is only as part of the operating system.

Any attempts to edit system files is strongly discouraged, as it can cause the system to be corrupted and not work properly.

How to convert file with extension ANN:

Unless there are suggested applications listed below the extension description, that are able to convert the system files, there is usually no way to convert system files into any other file format.

Any attempts to rename system files is strongly discouraged, as it can cause the system to be corrupted and not work properly.

List of recommended software applications associated to the .ann file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X 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.).

Microsoft Windows:

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