Cohabitation documents- ILR

I don't have paper bank statements (yes, I know... should have turned off paperless billing for visa purposes). However, I did obtain some of my prior bank statements directly from the bank- official, not printed at home or anything. I also have a letter from the bank confirming my duplicate documents. Will these be okay to use for cohabitation evidence?

I thought these would be okay, but then started to doubt. I do have other official letters in case these don't work out... All our cohabitation documents are separate.

I don't have paper bank statements (yes, I know... should have turned off paperless billing for visa purposes). However, I did obtain some of my prior bank statements directly from the bank- official, not printed at home or anything. I also have a letter from the bank confirming my duplicate documents. Will these be okay to use for cohabitation evidence?

I thought these would be okay, but then started to doubt. I do have other official letters in case these don't work out... All our cohabitation documents are separate.

It's fine that they are separate,  you will need 6 each from the same month in that case. But you can only use things which actually come through the post and only for the time frame in which they arrived. You can't apply duplicate statements which arrived now, to an earlier time, they are only good for the period they were sent.