according to=accordance with???

according to is not equal to according with
according to:
1.as shown by something or stated by someone:
Eg. a. According to the police, his attackers beat him with a blunt instrument.
b.There is now widespread support for these proposals, according to a recent
public opinion poll.
! Do not say 'according to me' or 'according to my opinion/point of view'. Sayin my opinion . eg. In my opinion his first book is much better.
2 in a way that depends on differences in situations or amounts:
Eg. a You will be paid according to the amount of work you do.
3 in a way that agrees with a system or plan, or obeys a set of rules:
Eg. a The game will be played according to rules laid down for the 1992 Cup.
b.Everything went according to plan, and we arrived on time.
according with:
1. accord with something: to match or agree with something:
Eg: a.The punishments accorded with the current code of discipline.

They are very similar:

According to the company policy, employees are not allow to send any personal emails during work hours.

All employees are required to work in accordance with the company policy.