What is the difference between a threat and an attack?

A Threat is a possible security violation that might exploit the vulnerability of a system or asset. Attack is an deliberate unauthorized action on a system or asset. Attack can be classified as active and passive attack.

since it can be assumed that what aslam is making is a template by compiling all the commonly used excel formatting in several worksheets in an excel document, aslam can choose to save it using the .xltx or .xltm format instead. thus, aslam can distribute the templates he has made to his team members in an easier manner.