Microsoft Copilot: where do your PDFs go?
Sovereignty score
43/100
High exposureMicrosoft Copilot is published by Microsoft Corporation (United States). The vendor falls under the US CLOUD Act: US authorities can request your files, whatever the hosting country.
Score calculated for this tool alone, without document-type weighting.
Checkpoints
- CLOUD Act
- Exposed Microsoft Corporation is subject to the US CLOUD Act, including for data stored in its European data centres.
- Jurisdiction
- Non-EU United States — US law — subject to the US CLOUD Act
- Servers
- Non-EU Azure infrastructure (commercial data within the EU Data Boundary in the EU/EFTA; multi-region processing on personal accounts)
- Retention
- Persistent Retention varies with Microsoft Purview governance (business) or account history (consumer)
- AI
- No Commercial plans (Entra ID) exclude model training; a personal Microsoft account follows consumer rules.
Quick answers
Is Microsoft Copilot subject to the CLOUD Act?
Yes. Microsoft Corporation is subject to the US CLOUD Act, including for data stored in its European data centres.
Where are files uploaded to Microsoft Copilot hosted?
Azure infrastructure (commercial data within the EU Data Boundary in the EU/EFTA; multi-region processing on personal accounts)
How long does Microsoft Copilot keep your documents?
Retention varies with Microsoft Purview governance (business) or account history (consumer)
Does Microsoft Copilot use your files to train AI?
Commercial plans (Entra ID) exclude model training; a personal Microsoft account follows consumer rules.
Which certifications does Microsoft Copilot claim?
ISO/IEC 27001 · ISO/IEC 27701 · SOC 2 Type II · EU Data Boundary.
Our analysis
Very common in companies through Microsoft 365; strong commercial guarantees on prompt reuse, but a US vendor subject to the CLOUD Act.
Source: Microsoft Privacy Statement & Copilot documentation ·
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