executable form; executable format
Computing term for a file or program in a form that can be directly executed by a computer.
The compiler converts source code into an executable form.
This executable runs on Windows.
実行ファイル is a more common term for 'executable file', while 実行形式 emphasizes the format or form rather than the file itself.
execution image library
Compound of 実行 (execution) and 形式 (form, format).