Each and every have similar but not always identical meanings. Each = every one separately Every = each, all
Sometimes, each and every have the same meaning:
Prices go up each year.
Prices go up every year.
But often they are not exactly the same. Each expresses the idea of 'one by one'. It emphasizes individuality. Every is half-way between each and all. It sees things or people as singular, but in a group or in general.
Consider the following:
Every artist is sensitive.
Each artist sees things differently.
Every soldier saluted as the President arrived.
The President gave each soldier a medal.
Each can be used in front of the verb:
The soldiers each received a medal.
Each can be followed by 'of':
The President spoke to each of the soldiers.
He gave a medal to each of them.
Every cannot be used for 2 things. For 2 things, each can be used: