Here you will find various documents to help you
To change your email password, log into Webmail (See Article:...How to access Webmail
To access Webmail, open up your web browser and type: yourwebsite.com/webmail (eg....How to Create a Full CPanel Backup
Log into CPanel (See here:...After a WordPress Website Is Upgraded
In order to make sure your website is working as you expect after is upgraded to a new version of...How to find the server configuration for email applications (eg. Outlook, Mac Mail, iOS Mail, Android mail, etc.)
To find your server configuration, log into Webmail (See...