How To Mass Insert Null Values In Salesforce Using Dataloader
There are times when you would want to delete a certain field from your ORG. I have come across this many times and every time I have been able to use Dataloader to perform the task.
Here’s how you can upload null values to Salesforce
Step 1: Click Settings on Data Loader
Step 2: Check the box next to “Insert Null Values”
Step 3: Map to your object/fields and click finish