1. From Setup, enter Sandboxes in the QuickFind box, then select Sandboxes.A list of your sandboxes displays. Sandboxes that you can refresh have a Refresh linknext to their name.
2. Next to the name, click Refresh.
3. Review the Name, Description, and Create From values, and edit these values if needed.
4. Select the type of sandbox environment you want.A table shows the number and type of sandbox licenses available in your org. You canselect a different sandbox type to refresh.If the sandbox you’re refreshing is a clone, this option isn’t available. A clonedsandbox refreshes from its source org and retains the source org’s sandbox license type.If a sandbox’s source org has been deleted, the clone refreshes from your productionorg.
5. Select the data you want to copy.For a Partial Copy sandbox, click Next, and then select atemplate to specify the data for your sandbox. If you have not created a template forthis Partial Copy sandbox, see Create or Edit Sandbox Templates.For a Full sandbox, click Next, and then decide how much objectdata to include. To include template-based data in a Full sandbox, select an existing sandbox template.For more information, see Create or Edit Sandbox Templates.To include all object data in a Full sandbox, choose whether and how much fieldtracking history to include, and whether to copy Chatter data. You can copy from 0 to 180 days ofhistory, in 30-day increments. The default is 0 days. Chatter data includes feeds, messages, and discovery topics. Decreasing the amount ofdata you copy can speed sandbox copy time.
6. If you want to activate your sandbox immediately after you refresh it, selectAuto Activate. In this case, you don’t receive an activation email.
7. Click Create.
8. Refreshing your sandbox can move it to a different Salesforce instance. For example, the sandbox can move from CS40 to CS50. If you’re subscribed to Trust Notifications, check your subscription settings to ensure that you continue to receive updates about unforeseen incidents and planned maintenance that affect your sandbox.