Zimbra desktop allows you to access your emails from your computer and use it offline.
Available on Windows and Mac Operating Systems.
Before following the below step by step guide, please find the email sent to you which contains your email details.
Step by Step Guide
Download the Zimbra Desktop app. Download it here.
Open the desktop app and enter the mail server.
Mail server: https://webmail.itseeze.com
Enter your username and password.
Username: your email address
Password: your email address password (found in the email we sent you with the subject line 'Webmail / IMAP - [Your company name]')