Marketo Measure recommends using Data Loader as a convenient option to update opportunity values when using a custom revenue field (we use the Amount field out of the box) in Marketo Measure. Data Loader is preferred over using the Marketo Measure update script as the script requires users to disable all Salesforce validation rules while the Marketo Measure script runs.
Create an excel sheet with the:
Copy and paste the values from your preferred revenue field into the Marketo Measure Opportunity Amount field. Then, update these Opps using the .csv file.
Alternatively, you can go into Salesforce and use a custom list view to mass edit all the opportunities…