To help out with field cleanup of SFDC, it would be great to know what fields are in use by Marketo. Currently we can only see the field mappings, not what's being used.
Within the admin section you can click each individual field to see where it is being used inside your Marketo Instance in smart campaigns and smart lists. This is a bit manual, especially if you have hundreds of fields.
I also recommend looking into Field Trip in the SFDC app exchange. https://appexchange.salesforce.com/listingDetail?listingId=a0N30000003HSXEEA4. It allows you to see what data is inside each field.
I was looking for a quicker way to do things within Marketo. We're then looking at the Field Trip report to make sure we can remove these fields. Thanks for confirming, we are taking the right actions!
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