Google Calendar "Unable to launch event" - caused by missing DTSTAMP

For several years, Google's product help forums have been littered with people trying to download a .ics event from their email, only to receive the error "Unable to launch event" when trying to add it to Google Calendar. It doesn't happen with all iCal attachments, only some. Here's how to fix it. I checked dozens of broken iCalendar invites using this iCal validator and they all had the same …

Source: https://shkspr.mobi/blog/2026/07/google-calendar-unable-to-launch-event-caused-by-missing-dtstamp. 8sync News only summarizes and links out; content copyright belongs to the authors and original sources.