To use this feature, follow these steps on the custom field settings page:
* If your custom field has '''Enable Dynamic Content''' and '''Use Custom Lookup Options''' toggled on, you can now upload a CSV file to '''Global Settings''' > '''System''' tab > '''Custom Lookup Options''' that contains your desired options.
* In the CSV, add a new column to indicate whether an option is active (0) or inactive (1).
* Any option marked as inactive (1) will no longer appear in the lookup or be selectable. However, older records that previously used the inactive value will still retain and display that value.