Note: Set the required field to look up as mandatory or as a unique field in the respective Zoho CRM module to view it in the list of fields to look up while configuring the Zoho CRM field. 
Note: 
The Zoho CRM Field can be used to:
While configuring the Zoho CRM field, you can look up the following fields in Zoho CRM:
Single Line, Email, Phone, Pick List, Long Integer, Number, URL, Auto-Number, Formula with String as the Formula Return Type
You can map the following Zoho CRM fields to the corresponding Zoho Forms fields to prefill the forms:
| S. No | Zoho CRM Field | Supported Zoho Forms Fields |
| 1 | Single Line | Single Line, Multi Line, Name, Address, Dropdown, Radio, Multiple Choice, Checkbox, Matrix Choice, Image Choices, Number, Decimal, Currency, Email, Website, Phone, Rating, Slider |
| 2 | Multi Line | Single Line, Multi Line, Name, Address, Dropdown, Radio, Multiple Choice, Checkbox, Matrix Choice, Image Choices, Number, Decimal, Currency, Email, Website, Phone, Rating, Slider |
| 3 | Email | Single Line, Email |
| 4 | Phone | Single Line, Phone |
| 5 | Pick List | Name (Salutation), Single Line, Dropdown, Address (Country), Radio, Matrix Choice, Image Choices |
| 6 | Multi Select | Multiple Choice, Checkbox, Matrix Choice, Image Choices |
| 7 | Date | Date |
| 8 | Date-Time | Date-Time |
| 9 | Number | Single Line, Number, Slider, Rating, Decimal, Currency |
| 10 | Currency | Currency |
| 11 | Decimal | Decimal, Number, Slider, Rating |
| 12 | Percent | Decimal, Number, Slider, Rating |
| 13 | Long Integer | Single Line, Number, Slider, Rating, Decimal, Currency |
| 14 | Checkbox | Decision Box |
| 15 | URL | Single Line, Website |
| 16 | Auto Number | Single Line |
| 17 | Lookup | Single Line, Name |
| 18 | Owner Lookup | Single Line, Name |
| S. No | Zoho CRM Subform Field | Supported Zoho Forms Subform Fields |
| 1 | Single Line | Single Line, Multi Line, Name, Address, Dropdown, Radio, Multiple Choice, Checkbox, Number, Decimal, Currency, Email, Website, Phone, Rating, Slider |
| 2 | Multi Line | Single Line, Multi Line, Name, Address, Dropdown, Radio, Multiple Choice, Checkbox, Number, Decimal, Currency, Email, Website, Phone, Rating, Slider |
| 3 | Email | Single Line, Email |
| 4 | Phone | Single Line, Phone |
| 5 | Pick List | Name (Salutation), Single Line, Dropdown, Address (Country), Radio |
| 6 | Multi Select | Multiple Choice, Checkbox |
| 7 | Date | Date |
| 8 | Date-Time | Date-Time |
| 9 | Number | Number, Slider, Rating, Decimal, Currency |
| 10 | Currency | Currency |
| 11 | Decimal | Decimal, Number, Slider, Rating |
| 12 | Percent | Decimal, Number, Slider, Rating |
| 13 | Long Integer | Number, Slider, Rating, Decimal, Currency |
| 14 | Checkbox | Decision Box |
| 15 | URL | Single Line, Website |
You can look up records from the following modules in Zoho CRM using the Zoho CRM Field: