To send a receipt to Expensify:
1. Make sure the email on your Grab account is an authenticated email on your Expensify account.
2. Open the "Orders" screen from the left sidebar of the Grab app. If you ordered through a partner app, navigate to your order receipt within the app.
3. Tap the "Submit to Expensify" button. This will send a copy of your receipt to you and to your Expensify account.