How to open AS3PROJ files

Did your computer fail to open an AS3PROJ file? We explain what AS3PROJ files are and recommend software that we know can open or convert your files.

What is an AS3PROJ file?

The AS3PROJ file extension indicates to your device which app can open the file. However, different programs may use the AS3PROJ file type for different types of data.

We are aware of 1 different use of the AS3PROJ extension, which you can read more about below.

FlashDevelop ActionScript 3 Project

Through our analysis of AS3PROJ files, we know that one use of the format is FlashDevelop ActionScript 3 Project. 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.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix AS3PROJ files

These apps are known to open certain types of AS3PROJ files. Since many different programs may use AS3PROJ files for different purposes, you may need to try a few of the apps to open your specific AS3PROJ file.

We have not verified any programs that we know for certain can work with AS3PROJ-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with AS3PROJ-files. If you know one, please use the Suggest link below and tell us about it!