AC File - opening and understanding

Did your computer fail to open an AC file? We explain what they are used for and recommend software that we know can open or otherwise handle your .AC files.

What is an AC file?

An .AC file is an AC3D geometry/model file. Through our analysis of AC files, we know that one use of the format is AC3D geometry/model. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open AC files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension AC for different purposes.

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

Suggest another file format using extension AC

While we know of one file format using the .AC file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .AC file.

Various viewers for this file format

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
We have not verified any software that we know for certain will work with AC-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with AC-files. If you know one, please use the 'Suggest a program' link below and tell us about it!