This article describes the fields that can be referenced in formulas and those that cannot.

• Number
• Calculated
• Date and time
• Date
• Time
• Created datetime
• Updated datetime
• Lookup
• Text
• Drop-down
• Radio button
• Created by
• Updated by
• Check box
• Multi-choice

• Label
• Text area
• Rich text
• Attachment
• Link
• User selection
• Department selection
• Group selection
• Related records
• Blank space
• Border
• Field group
• Record number