Remove Google account access from GPT for Sheets
Removing Google account access from GPT for Sheets means removing access from the GPT for Sheets and Docs add-on, which also removes access from GPT for Docs.
In your browser, log in to the Google account you use in GPT for Sheets.
Open the third-party connections page for your Google account.
In apps and services list, find and select GPT for Sheets and Docs.
In the GPT for Sheets and Docs has some access to your Google Account section, click See details.
Click Remove all access.
Click Confirm.
The GPT for Sheets and Docs add-on no longer has access to your Google account.
Removing account access does not uninstall the add-on from Google Sheets. The next time you try to open the add-on, Sheets prompts you for permission to run the add-on, after which you can sign in with your Google account and grant access again.