grommunio User Guide
Welcome! This guide helps you use grommunio every day — mail, calendar, contacts, tasks and notes, chat, video meetings and file sharing — whether you work in the browser, the desktop app, or your own e-mail client. grommunio is built on familiar, standards-based protocols, so no special training is needed.
Where to start
Section titled “Where to start”grommunio WebThe full-featured web interface — nothing to install, just a modern browser. The recommended way to use every feature.
grommunio DeskThe native desktop app for Windows, macOS and Linux, with tray integration and OS notifications.
Connecting other clientsSet up your account in Outlook, Apple Mail, Thunderbird or on your phone.
TroubleshootingFixes for the issues users hit most often — sign-in, sync and more.
New here? Start with the Introduction for an orientation, or jump straight into the grommunio Web chapters.
Offline reading
Section titled “Offline reading”This section is also available to download for offline use: