If you've already allocated your expenses from bank feeds and want to attach the receipt to the expense transaction, you can do so from the relevant Tank.
Upload receipt Property Tank expense
Head to Property Tank, select the relevant property and under the 'Expenses' tab navigate to the expense transaction, click the 'pencil icon' and attach your receipt. Click save when you're done.
Upload receipt to Work Tank or Sole Tank expense
Head to Work Tank or Sole Tank, and under the 'Expenses' tab navigate to the expense transaction, click the 'pencil icon' and attach your receipt. Click save when you're done.