Grammarly — privacy & data policy

Provider: Grammarly. PromptPrivacy score: 82/100. Last verified July 26, 2026.

What happens to your data?

Grammarly analyzes your text and usage data to provide writing suggestions and insights. They do not sell your content, and you have the ability to opt out of having your data used to train their AI models.

Does it train on your data?

Grammarly uses text, writing behavior, and usage data to improve products, but users can opt out of having their content used for model training via account settings.

Can you opt out?

Yes, users can opt out of product improvement training in account settings and opt out of tailored assistance features via the feature customization page.

Data retention

Documents saved in the Grammarly Editor are stored until the user deletes the document or their account. Data stored for personalized features is deleted upon opting out of that feature.

Encryption & security

Grammarly maintains enterprise-grade certifications, including SOC 2 and ISO certifications, and employs security infrastructure including third-party penetration testing.

Is it safe for work?

Yes, Grammarly provides enterprise-grade security controls, certifications, and specific privacy protections for organizational use.

Source policy: https://www.grammarly.com/trust