You might have noticed that sometimes Google Calendar automatically adds events triggered by your Gmail. The default behavior for Google is to scan incoming mail for events that it thinks can be added your calendar. If you search your mail for <EVENT TITLE>, you will find the email that triggered the creation of the Calendar event. You may need to include Trash in your search, if you've deleted it.
If this hasn’t yet happened to you, the first time an event gets added to your calendar automatically, you will get a notification from Google alerting you and giving instructions for turning off the feature. It will have a subject line similar to this:
Subject: An event from Gmail has been added to your Google Calendar
It is possible that the first time this happened it was something you wanted to go on the calendar and did not turn the feature off. You can turn this feature off at any time. However, if you do, all past events added from Gmail will be removed from your calendar. If you turn this setting back on, only events in the future will be added. Here is how you can turn this feature off:
The Collaboration Services Team
Tip: Did you know? You can let someone else manage your event.
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