Expression : 'As far as my memory is concerned, we were never supposed to do'

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi

Could you please tell me if you find the red part correct and natural?

Tom

2

To be honest, it does sound a bit awkward. I would suggest: As far as I can recall/remember. If you want something classy, how about: If my memory serves me right …?

Alan