ANN file format description
Many people share .ann files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ann file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ann files.
1 filename extension(s) found in our database.
.ann - Windows Help Annotations
ANN fil is a Microsoft Windows Help Annotations. Windows Help is a component of Windows that is accessible from various Windows programs.
Naturally, other applications may also use the .ann file extension. Even harmful programs can create .ann files. Be especially cautious with .ann files coming from an unknown source!
Can't open a .ann file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
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 one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .ann file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
abn, znn, nan, anh, anb, amn, agn, nn, anm, ang, an, ahn
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- Alpha Five Database Export
- CYANA Torsion Angle File
- Psion Series 3 Agenda Document
- Adobe Project ROME File
- Our Family Tree Data
- Deluxe Paint Animation
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