Secure your institution's files in a sovereign cloud.
Centralize course materials, student files, and administrative documents in an environment hosted in France, shared between teaching staff, learners, and families.
We have one simple rule: taking care of your data
Education and training are facing critical challenges.
Student files, course materials, exam papers, internship agreements: an institution produces and circulates sensitive documents all year round. Voltn (formerly NetExplorer) hosts them in a sovereign cloud designed to protect them.
Protection of student data
Sovereignty of educational tools
A user base that changes every year
Ever-increasing educational resource sizes
Traceability and documentary evidence
GDPR
The Voltn sovereign cloud processes its clients' personal data only within the scope of the services provided. Individuals authorized to handle this data are subject to a legal obligation of confidentiality.
It guarantees
Who is affected?
Risks of non-compliance
The ISO 27001 standard
ISO 27001 certification confirms an audited and proven information security management system. At Voltn, it covers the entire platform, from the data center to the software.
It guarantees
Who is affected?
Risk in case of non-compliance
ISO 9001 standard
ISO 9001 certification confirms Voltn's rigorous organization in meeting client needs. It demonstrates a commitment to service quality and continuous improvement.
It guarantees
Who is this for?
Risk in case of non-compliance
eIDAS 2
The eIDAS2 regulation governs digital identity and electronic signatures in Europe. With Voltn Sign, your internship agreements, training contracts, and work-study agreements are signed within a legally recognized framework.
It guarantees
Who is this for?
Risks of non-compliance
The Responsible Digital label
The Responsible Digital label certifies Voltn's commitment to digital sustainability. A consistent approach for institutions that provide training on transitions.
It guarantees
Who is this for?
Risk in case of non-compliance
- Data encryption and antivirus protection
- Protection against intrusions and leaks
- HDS certification across all activities
- GDPR alignment and eIDAS-compliant signatures
- Hosting exclusively in France
- Protection against extraterritorial legislation
- • Granular permissions by class, cohort, or department
- Full action history
- • Controlled sharing between teams, learners, and families
- Real-time co-editing and approval
The pillars of Voltn
.
Solutions tailored to your needs
Voltn Share secures your file exchanges with learners, families, and partners. Voltn Workspace centralizes documents and collaboration within the institution.
External file sharing
Send files without size or format limits
Secure upload link
Password protection and expiration dates
Full traceability of all exchanges
Custom portal branded for your institution
The enterprise file platform
Manage rights by class, year group, or department
Real-time co-editing
Version history and anti-deletion trash
Strong authentication and integration
Mobile app
Practical applications in education
Higher education
Universities, graduate schools, and private campuses: higher education institutions juggle course materials, theses, student records, and research projects for thousands of users across multiple sites. Educational resources often end up scattered across various platforms, USB drives, and personal email inboxes.
Voltn centralizes everything: a space for each class year or department, recorded lectures shared via secure links, assignments collected through upload links, and a platform compatible with the institution's IT system.
+ student data
protected
School
Schools, middle schools, and high schools: staff handle data on minors, which is subject to the highest level of GDPR protection. Student files, report cards, medical action plans, and educational team meeting minutes are shared between teachers, administration, school life staff, and families, too often via personal email.
Voltn provides a sovereign framework: data remains in France, each user accesses only their designated scope, and communication with families occurs via protected links rather than email attachments.
protected minors +
GDPR compliance
Training organization & apprenticeship center (CFA)
Agreements, attendance sheets, training materials, evaluations, and certificates: Qualiopi certification requires documentary evidence that is organized and retrievable for every audit. Between independent trainers, client companies, and funders, documents can easily become scattered.
Voltn structures your evidence file: one space per session or program, document collection via upload links, electronic signature of agreements with Voltn Sign, and a timestamped history that simplifies every audit.
+ signed agreements
faster
Rectorate & academic administration
Coordinating dozens of institutions, circulars, educational projects, and administrative files: academic administrations orchestrate massive, often sensitive, document flows. Every document must reach the right recipients without leaks or version loss.
Voltn streamlines coordination: shared spaces by district or project, tracked distribution of official documents, and sovereign hosting aligned with public sector requirements.
guaranteed sovereignty
What about other sectors?
Non-profits and NGOs
Marketing agency
Transport and logistics
96% of our clients recommend us
Arnaud Berthier
Chief Information Officer at Campus Academy
“Voltn delivered a high-quality deployment in record time — one built to last, bringing a new, high-quality French service to our students. And the solution remains compatible with our existing IT environment.”
FAQ
Where is the data hosted?
Exclusively in France, in data centres meeting Tier 3+ and Tier 4 standards. No transfer takes place outside the European Economic Area, beyond the reach of the Cloud Act.
How do you share large course materials with students?
Through a secure Voltn Share link, with no size or format limit. Recorded lectures, interactive resources and projects are transferred encrypted, with full traceability of views.
How does a training provider organise its documentary evidence for Qualiopi?
By centralising agreements, attendance sheets, course materials and assessments in spaces organised by session, with a timestamped document history. Voltn makes it easier to build and trace the evidence file presented to the auditor.
How do you protect student data, particularly for minors?
By hosting it in an encrypted space, partitioned by department, with precise access rights and traceability for every access. Data relating to minors calls for the highest level of GDPR vigilance: Voltn keeps it in France, with no transfer outside the European Economic Area.
Which sovereign cloud for a school or university?
A cloud hosted exclusively in France, beyond the reach of extraterritorial legislation such as the Cloud Act. Voltn is developed and operated in France, GDPR compliant and certified ISO 27001 and ISO 9001.
But let's be honest, our cloud-based file storage and sharing solution is much easier.