Your documents get a default numbering when you create a business. Invoices, estimates, orders and delivery notes begin with the number 001.

You can change the numbering to match your needs. Go to  Settings - Document settings - Numbering  and there you’ll find sections for all kind of document types.

You can either select a predefined numbering format or change it to your own. Use the characters YY for year and  NN for document number.

Change the Next document number to a number you need for the next invoice and it will receive that number next time an invoice is created.

How it works:

  • The numbering format NNN creates invoices 001, 002, 003
    The numbering format YYYYNNN creates invoices 2019001, 2019002, 2019003…The numbering format INV-YYYYNNNN and next number 580 create invoices INV-20190580,  INV-20190581, INV-20190582...

note: Each of your companies has its own numbering.
If you edit, change or click the number which Billdu has assigned to a document
while creating it, then the automatic numbering is be disrupted.  This is useful if you want to create documents with different numbers and don’t want to set it back in Settings each time.

 A change of an invoice number directly on an invoice has no effect on your overall numbering - this is done only in the Settings.

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