The article also includes information on how to see which apps and services have accessed your information recently.

Even if you no longer use a service, it can still access your Gmail account.

This Gmail management function resides in the web surfing app, not the app.

Google Account security settings

Review the apps in theThird-party apps with account accesssection.

Click any app that has access to Gmail to display in-depth information about that app’s access.

To revoke access, selectRemove Access.

A Google Account with the Remove Access button highlighted

If you no longer use that email provider or app, you should remove access.

For example, if you use the Google Chrome surfing app, it has full access to your account.

This person enjoys broad but limited access to your account.

Gmail with the Details button highlighted

The person cannot change your Gmail password or participate in a chat as you.

To revoke access, select a name, then clickDelete.

Review the data in the pop-up window.

Gmail account-activity detail screen

Look in theDate/Timecolumn to see the most recent connections.