Use an Invoice Batch to add many invoices for delivery to customer.
Go to hamburger, Invoices, Invoice Batches, New Batch
Create Invoice Batch
Go to hamburger, Customers, Invoices, New Batch.
Add name, post date click on Save.
Click on New Invoice, complete the form, click on Save Credit Memo.
Repeat for each customer you wish to add to the Invoice Batch.
When all customer invoices are entered, click on the name of the Invoice Batch to review the Invoice Batch.
Click on Review and Post, Post.
View Unposted or Posted Invoice Batches
Go to hamburger, Customers, Invoices, Invoice Batches.
Name: Any name you wish.
Post date: Date the batch will show posted in customer transactions. This date may be edited later before posting the Invoice Batch.
Memo: Customer will see text entered.