Question:

• What are Custom Fields used for?

Environment:

• Clio Manage
• Clio Grow

Additional Information:

• Clio supports twelve different Custom Field Types. For more information, see here
• For creating Custom Fields, see here: Contact or Matter
• You can set Custom Fields to be Required and/or Default. For more information, see here
• To add Custom Fields to a Contact or Matter, see here: Contact or Matter
• For filtering Custom Fields, see here 

Answer:

Custom Fields allow you to gather and store additional information about your Contacts and/or Matters.