AC File Type

- The quick facts

What are AC files and how to open them

Are you having problems opening an AC file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an AC file?

AC files have multiple uses, and AC3D Geometry/model is one of them.

AC3D Geometry/model

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 AC files

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

While we have not verified the apps ourselves yet, our users have suggested 10 different AC openers which you will find listed below.

Last updated: June 29, 2022

More file formats using the AC extension

Through our research of AC files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Ancestral Quest Family Tree Database

Various apps that use files with this extension

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

Ancestral QuestAncestral QuestUser submitted
CaseWare Working PapersCaseWare Working PapersUser submitted
Heritage Family Tree DeluxeHeritage Family Tree DeluxeUser submitted
AC3DAC3DUser submitted
Dyno-ScanDyno-ScanUser submitted
digiSeal readerdigiSeal readerUser submitted
Audio CatalogAudio CatalogUser submitted
DriveSizeDriveSizeUser submitted
Prefab3DPrefab3DUser submitted
Always Current Business CardAlways Current Business CardUser submitted

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