In a range of cells, assume there is a list of invoices raised during a certain period. Since adequate care was not taken to number the invoices sequentially, there are missing invoice numbers in the Excel range. So, it is possible that after raising invoice number 501, 502 and 503 the next invoice raised was 507.
Given the following:
1. Starting and ending invoice number (two numbers) from the invoice book; and
2. List of actual invoice numbers raised during a certain period (as elaborated above)
one may want to generate a list of missing invoices.
You may refer to two solutions in this workbook.
Generate a list of missing invoice numbers
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