Object Limits

You can access Object Limits pages when planning how to customize a particular object or to monitor the current usage and limits, such as the number of custom fields or rules applied.

Standard objects

To access the standard Object Limits page, navigate to Setup | Customize. Click on the name of the desired standard object, and then click on Limits, as shown in the following screenshot (for the Account object):

Here, you can see usage details for these: Custom Fields, Rollup Summary Fields, Custom Relationship Fields, Active Workflow Rules, Total Workflow Rules, Approval Processes, Active Lookup Filters, Active Validation Rules, VLOOKUP Functions, Sharing Rules (Both Owner- and Criteria-based), and Sharing Rules (Criteria-based Only).

Custom objects

To view information about the usage of various fields and rules that have been created on a custom object, you can access the Object Limits window displayed on a custom-object-definitions-related list at the bottom of a custom object...