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  - Salesforce Developer Limits and Allocations Quick Reference
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# About This Quick Reference

This quick reference provides common limits and allocations for Salesforce and doesn’t cover all limits and allocations. It might contain limits or allocations that don’t apply to your Salesforce org. Stated limits aren’t a promise that the specified resource is available at its limit in all circumstances. Load, performance, and other system issues can prevent some limits from being reached. Limits can change without notice.

This guide doesn’t include limits or allocations for:

-   User interface elements in the Salesforce application
-   Field lengths of Salesforce objects
-   Desktop integration clients
-   Your Salesforce contract

Information for specific feature limits, such as the number of total and active rules in your org, are also in Salesforce Help; see the topics for using that feature. For allocations per edition, see [Salesforce Features and Edition Allocations](https://help.salesforce.com/articleView?id=overview_limits_general.htm). For information on limits when using Salesforce Functions, see [Functions Limits](https://developer.salesforce.com/docs/platform/functions/guide/limits.html). Contractual limits might also apply, as per your Salesforce contract.