Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .ann

4 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .ann file?
  • Which program can create the .ann file?
  • Where can you find a description of the .ann format?
  • What can convert .ann files to a different format?
  • Which MIME-type is associated with the .ann extension?
.ann
Windows Help Annotations .ann file icon

Windows Help Annotations

ANN file is a Microsoft Windows Help Annotations. Windows Help is a component of Windows that is accessible from various Windows programs.
Category: Data files
Application: WinHelp
Program name: winhlp32.exe
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Windows Help File
.ann
ENVI Annotation Data .ann file icon

ENVI Annotation Data

ANN file is an ENVI Annotation Data. ENVI image analysis software is used by GIS professionals, remote sensing scientists, and image analysts to extract meaningful information from imagery to make better decisions.
Detailed description not available
Category: Data files
Application: ENVI
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Spectral Library Exchange Format Data
THOR Metadata Rich Spectral Library Data
ENVI Spectral Library Data
TripleSat DIMAP Data
ENVI Calibration Factors Data
ENVI Grid Data
ENVI Region of Interest Data
ENVI Display Group Data
ENVI Linked Window Group Data
.ann
King-FIX Data .ann file icon

King-FIX Data

ANN file is a King-FIX Data. King-FIX is a FidoNet file echo processor software.
Detailed description not available
Category: Data files
Application: King-FIX
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
-
.ann
Zemax Annotations Data .ann file icon

Zemax Annotations Data

ANN file is a Zemax Annotations Data. Zemax is an optical design program that is used to design and analyze imaging systems such as camera lenses, as well as illumination systems.
Detailed description not available
Category: Data files
Application: Zemax
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Zemax Archive
Zemax Lens Data
Zemax Table Glass Data
Zemax Beam File
Zemax Multi-mode File
Zemax Programming Language Source Code
Zemax Encrypted Coating File
Zemax Face Number File
Zemax Lens Catalog File

Other types of files may also use the .ann file extension. If you have helpful information about .ann extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Alpha Five Database Export
Psion Series 3 Agenda Document
Our Family Tree Data
Markush AMN File
Adobe Edge Animate Project
i2 Analyst's Notebook Data
CYANA Torsion Angle File
Adobe Project ROME File
Deluxe Paint Animation

The .ann filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

agn (1), nn (1), anm (1), ang (1), an (1), ahn (1), abn (1), znn (1), nan (1), anh (1), anb (1), amn (1)

Can't open a .ann file?

If you want to open a .ann file on your computer, you just need to have the appropriate program installed. If the .ann association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.ann

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android