How to stop Google reading your emails: every setting

Google does not have one "stop reading my email" switch. It has five separate settings, each covering a different use of your Gmail, and turning off one leaves the others running. Here are all five, in the order that matters, plus the part no setting can switch off.

How do you stop Google reading your emails?

Open Gmail on a computer, go to Settings, then See all settings, and on the General tab uncheck smart features in Gmail, Chat, and Meet. Then open Manage Workspace smart feature settings and turn off both switches there. Disconnect Gmail from the Gemini app, turn off personalized ads in My Ad Center, and remove third-party apps you no longer use.

That stops Google using your mail for features, AI and ads. It does not stop Google's systems from processing your mail, because Google still stores it in a form it can read. More on that below.

The five settings at a glance

Google's smart features page says each smart feature setting "works independently" from the others. So turning off the first one leaves Gemini and the other-products setting exactly where they were.

If you live in the European Economic Area, Japan, Switzerland or the United Kingdom, Google says all three smart feature settings start off. Check anyway. A pop-up you clicked through months ago may have turned them on.

Step 1: turn off smart features in Gmail

This is the setting behind the inbox tabs and the suggested replies. Google's page says that when it is on, "you agree to let Gmail, Chat and Meet use your content and activity in these products to personalize your experience."

1. On a computer, open Gmail.
2. Click Settings (the gear icon), then See all settings.
3. On the General tab, scroll to Smart features.
4. Uncheck Turn on smart features in Gmail, Chat, and Meet.
5. Scroll to the bottom and click Save Changes.

Google says the change applies across every device where you are signed in, though it also notes that some changes made on a computer do not show in the mobile app straight away. If the app on your phone still shows Smart Reply, update the app.

Expect your inbox to look different. With this off, Google lists automatic categorization as one of the things that stops, so Promotions and Social mail lands in one list again.

Step 2: turn off Google Workspace smart features

This is the switch for Gemini inside Gmail, and the one people searching "how to stop Google AI reading my emails" are usually after. It sits one section below the first.

1. Still on the General tab, scroll to Google Workspace smart features.
2. Click Manage Workspace smart feature settings.
3. Turn off Smart features in Google Workspace.
4. Turn off Smart features in other Google products.
5. Click Save.

The first switch covers Gemini summarizing your threads, drafting replies and finding details in your mail, plus flights and invitations appearing in Calendar on their own. The second covers your Gmail feeding other Google products: restaurant bookings in Maps, tickets in Wallet, and Personal Intelligence in the Gemini app and in Search, for personal accounts.

Google adds one exception for the second switch. Even with it off, if you share your screen or a screenshot with the Gemini app, what is in that screenshot can still be used. So do not show Gemini an open email if you want it kept out.

Google also says that "when smart features are on, your data may be used to improve these features." Turning them off is how you stop that.

Step 3: disconnect Gmail from the Gemini app

The Gemini app at gemini.google.com is separate from Gemini inside Gmail, and it has its own list of connected apps. Google's Connected Apps page gives the steps:

1. On a computer, go to gemini.google.com.
2. In the sidebar, click Customize. If you do not see it, click More first.
3. At the top, click Connectors.
4. Find Gmail or Google Workspace in the list, click More options, then Disconnect.

This is the connection with the strongest training language. Google's personalization page says Gemini does not train "directly on your Gmail inbox", but that summaries and excerpts of your emails used to answer your prompts are used to train its models, and that "the summary may just be the email" when the message is short. The same page says data from Connected Apps is human reviewed under the Gemini Apps Privacy Notice. We go through that in more detail in does Google's AI read your Gmail.

Step 4: turn off personalized ads

Google says plainly on its Gmail ads page: "Gmail does not scan or read your messages to show you ads." The ads in your Promotions and Social tabs are picked from your activity while signed in to Google, not from your mail.

There is a condition in the next paragraph, though. Google says it does not use Gmail content for ads "unless you choose to make data from these services available to other Google services that support ads." Google's privacy policy, in the version effective October 16, 2026, gives the example: you can let services like Search or Gemini Apps access data from Gmail, and "Search may process some of the data that you allow Search to access to personalize content, including ads."

So the switch from Step 2, smart features in other Google products, is also part of keeping your mail out of ads. Then turn off ad personalization itself, using Google's My Ad Center steps:

1. Go to My Ad Center (myadcenter.google.com) while signed in.
2. Next to Personalized ads, select Off.
3. Confirm.

You will still see ads in Gmail. Google says they will be non-personalized, based on things like the time of day or what you are searching for right now, and the topics and brands you set in My Ad Center are deleted.

Step 5: remove apps that can read your Gmail

Google's own settings only cover Google. Any outside app you once let into your account, such as an old email client, an unsubscribe tool or a receipt tracker, may still have access to your mailbox. Google's linked apps page explains how to check:

1. Go to your Google Account's linked apps page (myaccount.google.com/connections).
2. Select Access to your Google Account.
3. To narrow the list, select Access to, then Google product.
4. Select an app, then See details, then Remove access, and confirm.

Any app you do not recognize, or have not opened in a year, goes. The same page has a Report this app button if one looks like it is misusing your data.

What Google still does after you turn everything off

None of these settings changes how your mail is stored. Google's Gmail privacy page says data is "encrypted in transit and at rest", and Google holds the keys to that encryption, so its systems can still open your messages. Here is what keeps running, according to Google's own pages:

• Spam and security scanning. Google says it uses Gmail data "to provide you features like smart inbox categories, Smart Compose, and spam detection" and to keep you safe. Spam filtering and phishing warnings are not on any of the switches above.
• Reported spam. Google's spam help page says that when you report spam or move an email to Spam, "Google receives a copy of the email and may analyze it."
• Abuse detection. Google says it uses hash matching to detect child sexual abuse material in Gmail and reports matches to the National Center for Missing & Exploited Children.
• Legal requests. Google says it accesses private content "only when we have your permission or are required to by law." A valid legal demand is the second case, and a setting cannot opt you out of it.

The only Google option that keeps its own servers from decrypting mail is client-side encryption, and its admin page lists it for Frontline Plus, Enterprise Plus, Education Standard and Education Plus. A personal Gmail account cannot turn it on. Our post on whether Gmail is private covers the rest of that picture.

If the settings are not enough

Five switches and a short list of things you cannot switch off is a reasonable place for many people to stop. If you want mail stored where the provider is not processing it at all, the fix is moving the mailbox, not another setting.

Secria has no ads and never mines your mail. Mailboxes use zero-access storage protected with ML-KEM-1024 with X25519 post-quantum encryption, on every plan including the free one, and on by default. You can bring your Gmail history with you under Settings, then Import & export, then Bring mail in. Our guide to switching from Gmail covers forwarding, contacts and telling people your new address.

Frequently asked questions

Does turning off smart features stop Gemini in Gmail? Not on its own. Gemini in Gmail is controlled by the separate "Smart features in Google Workspace" switch under Manage Workspace smart feature settings. Turn that off as well, and disconnect Gmail in the Gemini app's Connectors.

Does Google read my Gmail to show me ads? Google says Gmail does not scan or read your messages to show ads. Its privacy policy adds an exception: if you let services such as Search access your Gmail data, Search may use it to personalize content, including ads. Turning off smart features in other Google products closes that path.

Will turning off smart features stop spam filtering? Google's pages do not list spam filtering under any of the smart feature switches. Its Gmail privacy page describes spam detection as a use of Gmail data to keep you safe, and that continues.

Why did my Promotions and Social tabs disappear? Google lists automatic filtering into Primary, Social and Promotions as a smart feature in Gmail, Chat, and Meet. Turning that setting off removes the tabs. Turning it back on restores them.

Can I stop Google reading my emails completely? Not while the mail is in Gmail. Google stores your messages with keys it holds, so its systems process them for spam detection, security and legal requests whatever your settings say. Stopping that means moving your mail to a provider that stores it differently.

Flip the five switches today, then check back after the next big Gmail update. New features tend to arrive switched on. And if you would rather your mailbox stopped being Google's at all, Secria Mail can import your Gmail history.