You can create a new category by creating a new transaction, then in category dropdown , click on Add category , then a category will be added in your quickbook...
You can set any custom style as default template for all invoices by opening an invoice and then go to the gear icon , then select custom form style and then se...
You can delete it's previous payment, and then it will show as unpaid if paid, steps you can proceed with by opening an invoice and then click on below link on ...
You can't restore that whole invoice with the invoice number, but you can create a different invoice with same information and set a custom invoice number for t...
