What is the AS2 file format?
A file with the .AS2 extension is a file known as ACTIVstudio Resource. It belongs to the Misc Files category. This format is associated with Promethean World plc.
The reliable way to open a .AS2 file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .AS2 files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
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