If you are permitted to submit your invoice via email then it is useful to convert the invoice into PDF format so that it cannot be altered. There is a free PDF creator which you can use at PDFCreator. This creates a PDF file from any application which can then be emailed to the client. Better off, if you can use a software system, it will automatically generate invoice in PFD format, you can also email it straight away from within the a software program.
How to Find a Good Invoice Example Online _ If you are a new businesses and need to issue official business documents like invoices, receipts, purchase orders and the like. It is not easy to come up with an appropriate format or template in a few minutes. Fortunately, the internet has been providing information such as finding a good invoice example.