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Salesforce Custom objects and fields Limitation
Custom Objects and fields limitation is based on the Salesforce Edition (Group, Professional, Enterprise and Unlimited Editions)
| Salesforce.com Editions | Group Edition | Professional Edition | Enterprise Edition | Unlimited Edition | Developer Edition |
| Total Custom Fields per Object | 100 | 100 | 500 | 800 | 500 |
| Total Custom Objects | 50 | 50 | 200 | 2,000 | 400 |
For more details refer the below salesforce link:
https://help.salesforce.com/apex/HTViewHelpDoc?id=limits_general.htm&language=en_US
