Private Digital Workplace
Carbonio is the all-in-one collaboration platform that keeps your data private, your infrastructure under control, and your user experience seamless.
Email, chat, video, files, and calendars - fully secure, fully sovereign, and fully yours.
Total Control Over Your Infrastructure
Deploy Carbonio wherever you want on-prem, in your cloud, or with a certified provider. You decide how your data is stored, accessed, and protected.
Distributed Only via Certified Partners
Every deployment is handled by trained and certified partners, ensuring trusted relationships, recurring revenue, and expert support.
Open-Core, Fully Transparent
Built on open standards and an open-core model, Carbonio blends the trust of open source with enterprise features—ensuring extensibility, interoperability, and freedom from vendor lock-in.
One Tab, All Your Work
Email, calendar, chat, files, video, document editing - everything your teams need in a single, seamless browser experience.
All the Tools Teams Need, Fully Integrated
Carbonio simplifies your digital workplace and boosts collaboration across teams, departments, and organizations.
Comprehensive Email
Unified inbox, shared mailboxes, smart filters, and lightning-fast search.
Smart Calendar
Shared calendars, free/busy lookup, room & resource booking, and intuitive scheduling assistant.
Real‑Time Chat & Video Meetings
One‑click switch from message to call with file-sharing and recording built in.
Mobile Apps
Seamless experience on iOS, Android with native apps.
File Management
Secure storage, external sharing links, and granular sharing permissions.
Collaborative Document Editing
Co‑author docs, spreadsheets, and slides right inside Carbonio.
Advanced Admin Console
Multi‑tenant support, role‑based access control, and built-in backup and restore solution.
Whitelabeled Platform
Seamless branding with your logo, colors, domain, and custom login pages to deliver a consistent user experience under your identity.
Designed to Simplify Admin Tasks
A powerful control panel for system administrators, designed to ensure scalability, performance, and maximum control.
Full-fledged Admin Console
Object Storage Support
Real-time Backup and Restore
Exchange ActiveSync
Hierarchical Storage Management
2-Factor Authentication
Secure SAML Login
Enterprise‑Grade Administration
Enterprise-grade controls for resilient multi-tenant operations, effortless delegation, and integrated security compliance.
Multi‑Tenant Environment
Extended Enterprise Administration
Fully Redundant
Comprehensive Security Features
Legal Hold
Role-Based Access Control
Audit Logs
White Labeling
Built for the World’s Most Demanding Environments
Trusted by organizations where security, control, and compliance are non-negotiable.
Public Sector · Financial Services · Healthcare · Education · Critical Infrastructure · Regulated Enterprises
“With Carbonio, we finally achieved digital sovereignty without compromising user experience.”
Why Trust Zextras?
Proven Expertise
20+ years of experience in secure collaboration and infrastructure control.
Privacy & Sovereignty First
We don’t just protect your data, we help you fully control it.
Trusted Delivery
Solutions are implemented only through certified and trained partners.
Transparent by Design
From open-core technology to our go-to-market: transparency is not a feature, it’s our mindset.
Independent. European. Strategic.
We’re not funded by venture capital and are not tied to hyperscalers. Our roadmap is our own and aligned with your sovereignty.
Scale With Us or Find the Perfect Partner for You
Grow your business as a certified partner or get matched with the provider that best fits your needs.
With Carbonio’s global ecosystem, you’re always supported by the right team, wherever you are.
