How to connect Dynamics 365 plugin registration tool Online trial.

Step 1: Download the plugin registration tool from Visual Studio Nugget Package Manager

Or You can download from – http://xrm.tools/SDK

Step 2:   Go to PluginRegistration folder and open Plugin registration tool

Step 3:  Click on Create New Connection

Step 4 :  Select Office 365 radio button and the select show advanced. You need to give the following information and click on Login.

Online Region:  Need to provide which region selected when you registered your trial.
User Name: User Name generated at the time of registration of online trial.

Password: Password is the same what you have given at the time of registration