Calendar troubleshooting

Plain-language fixes for the ways shared calendars, feeds, and ICS files actually break. No account needed; these pages exist because we hit these problems too.

• Why your Google Calendar subscription isn't updatingSubscribed calendars in Google Calendar can take 24 hours or more to refresh. What controls it, what you can speed up, and what you can't.
• Shared calendar not syncing on your iPhoneShared calendar not syncing on iPhone? Usually it's the account it was added under, fetch settings or a stale subscription. The fixes.
• Your webcal link isn't workingwebcal:// is https:// with a hint to open your calendar app. When a webcal link does nothing, it's the handler, the URL or the platform.
• That .ics file won't open (or lands in the wrong place)When an .ics file won't open or shows no events: default app problems, malformed files, and the file-vs-feed mix-up, with fixes.
• Your Outlook calendar subscription isn't updatingOutlook refreshes calendar subscriptions on its own schedule, differently in new Outlook, classic Outlook and Outlook.com. What to check.
• Removing a subscribed calendar from an iPhoneSubscribed calendars hide in different places on iOS depending on how they were added. Where to look to remove one, in order.