With the ListToCSV add-in, Sharepoint online lists or views can be exported to a CSV file.

features                                                                                                                                                      
Add-in type Logic
Interfaces In: Sharepoint list
Out: CSV file
Transactions 1 if successful
Events <Instance>.Done (parameter = file)
   
parameter  
spSiteUrl The URL to the Sharepoint page
spListName The name of the Sharepoint list on the Sharepoint page
spViewName (Optional) The name of the Sharepoint view for the list given above. If this field is left empty, a standard view is used.
spUser The user name for authentication on Sharepoint
spPassword The password for authentication on Sharepoint
fileSaveLocation The complete storage path of the CSV file.
customHeader (Optional) Header for the first line in the CSV. If empty, the internal SharePoint column names are used.
delimiter delimiter
entriesToExport Specifies whether all entries or only those that have changed since the last execution are exported.
endpoint Optional name of the endpoint used in the transaction.