PC user to open Mac fla - to solve UNEXPECTED FORMAT

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Macromedia published technique note for Mac user, how to open fla file created by PC. But I have not found on that web site the way how PC user can open Mac file without "UNEXPECTED FILE FORMAT".

Here is my experience:

When I get "unexpected file format" on trying to open an fla from Mac user, I will open it with Hex editor.

Usually there will be a header block of 0x80 size containing file name and others. Then, from address offset of 0x80, we will find:

D0-CF-11-E0-A1-B1-1A-E1 00-00-00-00-00-00-00-00

Nearly all my PC fla files start with these byte codes. So, I delete 0x80 sized header block from the Mac file. Then the new file will also start with those byte codes.

!!!!!!!!!!! Yea, I can open the Mac fla now.