Gmail is the best email, service, and to check Gmail activity , it is advisable to go to your Google Account. On the left navigation panel, click on the Data and Personalization. On the activity and timeline panel, click on My Activity. View your activity and browse via your activity, managed by day and time and at the top, use the search bar and filters to find the particular activity. If you have any trouble while doing this then, call on Gmail helpline Service UK to get connected with the experts for any assistance.