How to login to a Sandbox Account in CloudExtend Excel for Salesforce
Note: You can connect to one Production and multiple Sandbox accounts.
Step 1: First you need to login to a Production Account. Once logged in go to the Hamburger icon (1) and click on Account Settings (2).
Step 2: Click on 'USE SANDBOX'
Step 3: Login into Sandbox with your Salesforce credentials.
Step 4: If you have already connected to one Sandbox, you can pick the existing one or add a new Sandbox. CloudExtend allows access to 9 Sandbox accounts