How to edit files to change md5 hash without corrupting?

Apache POI is used to modify MS Office files. Note that newer formats ( xlsx docx etc.) are simply ZIP files containing XML. Unzipping them and modifying plain text XML might work as well.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.