Not only for them, but any other non-European videoconferencing software.

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France is mandating all government departments switch to Visio, an MIT-licensed open source videoconferencing platform, by 2027 to replace US-based tools like Microsoft Teams and Zoom. Part of the La Suite Numérique initiative, Visio has been tested with 40,000 users and runs on French infrastructure for data sovereignty. The move follows similar European efforts, though critics note neighboring countries like Germany and Denmark are achieving greater cost savings by also replacing Microsoft Office with LibreOffice.

France Just Created Its Own Open Source Alternative to Microsoft Teams and Zoom