It's great to see you in the Community, contactus.
Adding attachments to customer and vendor profiles, as well as their transactions is made simple with QuickBooks Online (QBO). This feature streamlines your recordkeeping and aids your accountant in efficiently managing your books at the end of the fiscal year.
In the online program, you can add attachments to the following:
Bills
Checks
Credit Card
Credit Memo
Customers
Delayed Charge
Estimates
Expenses
Invoices
Receive Payments
Refund Receipt
Sales Receipt
Vendors
Vendor Credit
Then, make sure you're using the supported file types: PDF, JPEG, PNG, DOC, XLSX, CSV, TIFF, GIF, XML. When you're ready, follow these steps to attach the estimate to the invoice:
Open the invoice you want to attach the estimate to in QuickBooks Online (QBO).
Head to the Attachments section and click Drag/Drop files here or click the icon option.
Browse and select the estimate you wish to append.
Keep me in touch if you still need further assistance with attaching an estimate to the invoice. I'm always available to help you. Enjoy your weekend, contactus.