Excel Cannot Open The File Because of File Format? Fix It！
Excel Cannot Open The Specified File. Click start, and then click run. Quit any programs that are running.
Click start, and then click run. Quit any programs that are running. Type regedit in the open box, and then.
Type regedit in the open box, and then. Click start, and then click run. Type regedit in the open box, and then. Quit any programs that are running.
