ANN File

What are ANN files and how to open them

Are you having problems opening an ANN file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your ANN files.

What is an ANN file?

ANN files have multiple uses, and Piklib Animation Data is one of them. Read more about the other uses further down the page.

Piklib Animation Data

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open ANN files

Important: Different programs may use files with the ANN file extension for different purposes, so unless you are sure which format your ANN file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested three different ANN openers which you will find listed below.

Last updated: January 25, 2025

All known file formats using extension .ANN

While Piklib Animation Data is a popular type of ANN-file, we know of 2 different uses of the .ANN file extension. Different software may use files with the same extension for different types of data.

Windows Help Annotation

We know that one ANN format is Windows Help Annotation. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of ANN files. Remember, different programs may use ANN files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about ANN file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.