How to open .AS3PROJ file extension?

If you cannot open a new file that has been saved in the .AS3PROJ format you need to download the appropriate software. The manufacturer of .AS3PROJ files is FlashDevelop; .AS3PROJ files belong to the Developer Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .AS3PROJ files. Activities performed in the order described should solve the problems with all the files in the .AS3PROJ format.

• What is .AS3PROJ file?
• How to open .AS3PROJ file?
• What is .AS3PROJ file?