Proven across businesses of every size
Accessible on any device, from anywhere
Fully managed and secure — no server admin needed


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Stronger security, better performance
Stop threats with built-in spam and antivirus filters
Manage your availability more effectively
Simplified Outlook configuration after installation
Outlook 2024 licenses included at no extra cost
Free domain included with every Exchange plan
Accelerated email search
Generous 50 GB mailbox storage
Quick-reply email reactions
New calendar features for time planning and time zones
100 GB public folder storage
Integrated read-aloud email support
Get instant alerts on all cell phones
Sync every calendar entry automatically
Link appointments to projects and contacts
Share calendars for better coordination
Track tasks by priority and status
Assign tasks directly to team members
Get automated notifications and updates
Categorize tasks for data sovereignty
Access essential contact details instantly
Organize private and project-specific lists
Connect contacts to appointments and tasks
Enable quick access for specific teams


After you order, your personal consultant will guide and support you every step of the way.
Technical questions? Our award-winning experts are always available to help by phone, chat or email.
In the past, email solutions were often configured and managed in-house, but at the cost of time, money and personnel. Nowadays, however, many companies have switched to external services such as Hosted Exchange with IONOS. There are many reasons for outsourcing or exiting the data center:
Yes, that will be possible in the future. We are currently working on providing our customers with the simplest possible migration functionality. However, the exact date of when this function will be available has yet to be determined. Check back with us for further updates.
If you are already a IONOS customer, you can contact your personal consultant at any time to receive comprehensive advice on migration and upgrade methods.
No, although the Hosted Exchange from IONOS is primarily aimed at companies, there are good reasons to rely on a professional and reputable email solution for home and personal use. Here's why:
Yes! While the benefits of a mobile, flexible and scalable email solution for businesses are obvious, non-commercial use cases may initially seem less obvious. However, here are a couple of common scenarios:
There's plenty more application examples to add to the above list. If you are looking for an alternative emailing solution, you're guaranteed to find a suitable product from IONOS. Do you still require Outlook tools for team collaboration? With our simpler plans, you also have the option of getting your own email address. Or you can opt directly for the complete Microsoft Office 365 package, which is also available from IONOS — both come with expert-level support.
More information about our alternative options and packages can be found here:
With the Microsoft Hosted Exchange by IONOS, you can rely on extremely high security and backup standards and all data is stored georedundantly. This means:
Technically speaking, Microsoft Exchange is a groupware server that powers email hosting and Microsoft's most popular productivity tool, scheduling assistant and email client, Outlook. Outlook is connected to Exchange, which works as a server application that is hosted on physical servers like those that reside in IONOS's proprietary data centers in the US and Europe.