As long as none of the invoices have been exported in the batch, run the export again using the following steps:
Click Sales, Sales Invoice Menu, Export Sales Invoice to Sage
Click Export History, Export. A message appears saying the batch has already been exported.
Click Yes to continue. Another message prompts to Export Batch?
Click Yes
Select Export to CSV File, or to preview the file, select Open Export File.
Click OK.
Use default file path or enter new file path and click OK to generate CSV.
