I've checked and I can still see the option to attach receipts in QuickBooks Online, richie_91.
Let's open an expense or check. Then, look for the paper clip icon or Attachments in the lower-right hand corner of the transaction.
If you can't still see it, make sure that the browser window is maximized to a hundred percent. We also have additional steps available in this article: Unable To See The Entire Page In QuickBooks Online.
Let me know if you need more help. Please click the Reply button below so I can get back here and help you again.