Outlook Calendar Sync with custom calendar - outlook

We have our own custom calendar in our portal which is developed in Java. Is there a way to sync this calendar with Outlook calendar. I can sync this calendar with Google Calendar as Google Calendar API is available. Does anyone know any documentation or links where I can read about this?
Thanks

You can use COM to interact with Office products.

If you can sync your proprietary calendar with Google Calendar then you can sync your Google Calendar with Outlook using WebDAV.
So you could:
Use some Outlook plugins to access the Google Calendar using WebDAV API
Use the standard Outlook Publish/Subscribe functionality with some WebDAV based online syncing service (I use Synqya) that allows you to sync your Outlook events with Google Calendar

I am syncing our calendar with google and google calendar with outlook.

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Published Outlook calendar on WebDAV not updating on Google Calendar?

My Outlook work calendar permissions are blocked, but I would like to have my Outlook calendar updates appear on my Google calendar. I successfully published the calendar and added it to my Google calendar via URL, but the events are not updating.
I followed the instructions on these blog posts to configure my WebDAV with Windows IIS and share my Outlook calendar to "webcal://my_ip_address:8085/My_Calendar.ics".
The file seems to be updating fine because when I load it into my Outlook app, it updates with new events. It seems the problem is importing it to Google calendar since nothing is showing up. Please help!

Can't send notification through service account calendar

I'm using google calendar API using google service account from my server.
I was able to send notifications for any event that was added or updated on the calendar.
Also, I shared the calendar with "normal" google account, so I can also add events to that calendar manually.
Recently i Noticed notifications are no longer sent from that calendar (which belongs to the google service account). Tried both by calling the API and manually using google calendar UI.
What i'm missing? Any recent changes to the calendar API can cause this?
Thanks

Is it possible to develop an add-on for Google Calendar?

We would like to create a google Calendar add-on/plugin/extension that will let us push the event to our cloud hosted application when creating or editing an event in Google calendar.
We have a cloud hosted application that our clients use. One of the features in our application is events. Our clients would like to have this feature wherein they can push any event from their Google Calendar to our application. We have been trying and searching but while its possible to create such add-ons for gmail and google docs, we cannot find anything for calendar. It will help if someone can point us to a way by which we can achieve this. Thanks.

Building a calendar webapp syncing with Google Calendar, Outlook and Apple Calendar

I am about to build a simple webapp that has several tasks, each of which has got a due date.
I would like this webapp to automatically sync with Google Calendar, Outlook and Apple Calendar - 2-way integration would be a plus.
The webapp is built on a LAMP server.
What's the cleverest way I can go about this from a point of view of limiting the workload as much as possible?
And also, is that even possible? I wasn't able to find an API for Outlook or Apple Calendar.
Is CalDev the answer? Is there any product/software that will do that automatically, so that I need only to sync with it and it will do the rest?
Thanks.
You could do the following:
Synchronize your proprietary calendar with Google Calendar (make this your "master calendar") using the GCal API; if your application can produce a valid ICS file then you can import it directly to Google Calendar. As this feature is discontinued by Google you can use some online WebDAV based import/export service (I use for this Synqya)
Use the WebDAV access to the Google Calendar to synchronize Outlook and Apple Calendar with it using their calendar subscription features (this would be one way sync). If you need secured access to GCal and 2-way sync, it will involve further steps.

How to embed ics file into google calendar

I'm new to using the Google Calendar API.
I can create .ics calendars using a php app.
I would like to know if it is possible for Google Calendar to allow embedding of those calendars on to my website without having to add it to an account. I really like the google interface, and if this could work in any way, that would be great.
I'm going to say "no". To utilize the Google Calendar interface (e.g. widget) on your website and have it display calendar data that you've created (.ics via your PHP app), at some point, that data needs to be loaded into a Google Calendar account.

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