No longer a labs option, file attachments in Google Calendar are going to the stable channel. A feature oriented towards shared events, this can allow you to share important information that can't be captured in a written description. It is live now on the web and the API is ready for use, which means we should see app developers taking advantage in the near future.

Google_Calendar

You'll see that "add attachment" option when creating a new calendar event, and when clicked you will see something like this:

Google_Calendar

That should look familiar if you've shared files on the web with any other Google product in the recent past.

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