# Microsoft OneDrive privacy rating

Cloud storage from Microsoft, built into Windows and Microsoft 365, with desktop, mobile and web apps. Files are encrypted at rest with keys Microsoft holds, not end-to-end.

## Summary

Microsoft OneDrive scores 44 out of 100 (grade D) on the encrypted cloud storage criteria. It meets 4 of 8 criteria: no ads or data sales, transparency report, tells users about requests and TLS configuration. It does not meet open source, no trackers or telemetry, independent audit and security headers. It is based in the United States: Five Eyes member; subject to the US CLOUD Act. Automated tests: SSL Labs grade A+ and Mozilla HTTP Observatory grade D-.

- Website: https://www.microsoft.com/en-us/microsoft-365/onedrive/online-cloud-storage
- Jurisdiction: United States. Five Eyes member. Subject to the US CLOUD Act.
- Platforms: Web, Windows, macOS, Android, iOS
- Home page trackers: none found
- Category: [Encrypted cloud storage](https://privacyratings.com/cloud-storage/)
- Also rated: [Outlook.com](https://privacyratings.com/email-providers/outlook-com/) (Email providers), [Microsoft Outlook](https://privacyratings.com/email-clients/microsoft-outlook/) (Email clients), [Microsoft Defender for Office 365](https://privacyratings.com/spam-filters/microsoft-defender-for-office-365/) (Spam and virus filtering), [Microsoft Exchange Server](https://privacyratings.com/mail-server-software/microsoft-exchange-server/) (Mail server software), [Microsoft Edge](https://privacyratings.com/browsers/microsoft-edge/) (Browsers), [Bing](https://privacyratings.com/search-engines/bing/) (Search engines), [Microsoft Authenticator](https://privacyratings.com/two-factor-authentication/microsoft-authenticator/) (Two-factor authentication), [BitLocker](https://privacyratings.com/file-encryption/bitlocker/) (File encryption), [SDelete](https://privacyratings.com/data-erasers/sdelete/) (Data erasers), [Microsoft Defender Antivirus](https://privacyratings.com/anti-malware/microsoft-defender-antivirus/) (Anti-malware), [Microsoft Teams](https://privacyratings.com/team-chat/microsoft-teams/) (Team chat), [Microsoft Azure](https://privacyratings.com/server-hosting/microsoft-azure/) (Server hosting), [Microsoft SwiftKey](https://privacyratings.com/keyboards/microsoft-swiftkey/) (Mobile keyboards), [Windows 11](https://privacyratings.com/desktop-operating-systems/windows-11/) (Desktop operating systems), [Media Creation Tool](https://privacyratings.com/os-installers/media-creation-tool/) (OS downloaders and bootable USB tools), [PowerToys Command Palette](https://privacyratings.com/launchers/powertoys-command-palette/) (App launchers), [Windows Clipboard History](https://privacyratings.com/clipboard-managers/windows-clipboard-history/) (Clipboard managers), [SigCheck](https://privacyratings.com/windows-hardening/sigcheck/) (Windows hardening), [Hyper-V](https://privacyratings.com/virtual-machines/hyper-v/) (Virtual machines), [Microsoft OneNote](https://privacyratings.com/notes/microsoft-onenote/) (Notes), [Microsoft Visio](https://privacyratings.com/diagrams/microsoft-visio/) (Diagrams and whiteboards), [Outlook Calendar](https://privacyratings.com/calendars/outlook-calendar/) (Calendars), [Microsoft Bookings](https://privacyratings.com/scheduling/microsoft-bookings/) (Scheduling), [Microsoft To Do](https://privacyratings.com/task-management/microsoft-to-do/) (Task management), [Microsoft 365](https://privacyratings.com/office-suites/microsoft-365/) (Office suites), [Snipping Tool](https://privacyratings.com/screen-recording/snipping-tool/) (Screenshots and screen recording), [Xbox Game Bar](https://privacyratings.com/screen-recording/xbox-game-bar/) (Screenshots and screen recording), [Microsoft Forms](https://privacyratings.com/forms/microsoft-forms/) (Forms and surveys), [Microsoft Translator](https://privacyratings.com/translation/microsoft-translator/) (Translation), [Windows Voice Typing](https://privacyratings.com/speech-to-text/windows-voice-typing/) (Dictation and transcription), [Microsoft Copilot](https://privacyratings.com/ai-assistants/microsoft-copilot/) (AI assistants), [Visual Studio Code](https://privacyratings.com/code-editors/visual-studio-code/) (Code editors), [Windows Terminal](https://privacyratings.com/terminals/windows-terminal/) (Terminals), [.NET MAUI](https://privacyratings.com/app-frameworks/net-maui/) (Cross-platform app frameworks), [ASP.NET Core](https://privacyratings.com/dotnet-frameworks/asp-net-core/) (.NET web frameworks), [Blazor](https://privacyratings.com/dotnet-frameworks/blazor/) (.NET web frameworks), [Microsoft Clarity](https://privacyratings.com/web-analytics/microsoft-clarity/) (Website analytics)
- Grade: D (44/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | No | Closed source. |  |
| No trackers or telemetry | No | Microsoft collects required diagnostic and usage data that cannot be turned off, and uses data about users for personalized advertising. | https://www.microsoft.com/en-us/privacy/privacystatement |
| No ads or data sales | Yes | No ads in OneDrive, and Microsoft states it does not use files stored in cloud storage to target ads. Extra storage is sold as a subscription. | https://www.microsoft.com/en-us/privacy/privacystatement |
| Independent audit | No | No independent audit of consumer OneDrive is published. |  |
| Transparency report | Yes | Publishes counts of government requests for consumer data, including OneDrive, twice a year. | https://www.microsoft.com/en-us/corporate-responsibility/reports/government-requests/customer-data |
| Tells users about requests | Yes | Microsoft gives prior notice to consumers whose data is requested, except where prohibited by law or in emergencies. | https://www.microsoft.com/en-us/corporate-responsibility/reports/government-requests/customer-data |
| TLS configuration | Yes | Grade A+ | https://www.ssllabs.com/ssltest/analyze.html?d=onedrive.live.com&hideResults=on |
| Security headers | No | Grade D- (25/100+) | https://developer.mozilla.org/en-US/observatory/analyze?host=onedrive.live.com |
| Modern web standards | Not tested yet | Not tested yet. |  |

Source: https://privacyratings.com/cloud-storage/microsoft-onedrive/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/cloud-storage/microsoft-onedrive.md