Grammarly: what Grammarly says about your data
Grammarly says its "Product Improvement and Training" setting is on by default for individuals. For business accounts it depends on how the account was bought.
Sources checked November 7, 2026
Personal plans
Individual users
- Training on your content
- Grammarly’s help page says Product Improvement and Training is on by default for individual users.
- How long it is kept
- Not covered by this page.
- Your controls
- The user can turn it off in their privacy or data settings.
Business plans
Business, Enterprise and Education
- Training on your content
- Off by default for accounts bought through Grammarly’s sales team; on at first for teams bought on the website, until an admin turns it off for the organization.
- How long it is kept
- Not covered by this page.
- Your controls
- An admin can opt the whole organization out.
In Grammarly's words
“Product Improvement and Training is on for individual users by default.”
Source
What to write in your AI register
- Which plan your business uses, and whether staff sign in with company or personal accounts.
- Whether the training setting is on or off, who checked it and when.
- What kinds of data staff may put in (for example: no client names, no payment data).
Sources
Policies change; check the linked page before you decide. This page describes what the vendor says. It is not legal advice and not a review of the vendor.