Create ICS or VCS File

I would like to create an app that allows a user to enter date(s) then in return it creates an ICS or VCS file.
1. Im not sure what the difference is between the two files could anyone advise?
2. Where could i read up on this to achieve the task mentioned above?
3. Any code examples anyone could provide?
Thanks in advance.

Hello T-800,
Welcome to MSDN Forums!
For the details of ICS and VCS please refer to these link:
http://en.wikipedia.org/wiki/ICalendar
And they just a kind of file format, actually they are a text file which describe a appointment in some standard format, so I think your question is not related to VSTO, even Outlook, so, I think you are off-topic in this forum.
However, here's a blog article you could refer to :
http://weblogs.asp.net/bradvincent/archive/2008/01/16/creating-vcalendars-programmatically.aspx
Thanks.
Tim Li
MSDN Subscriber Support in Forum
If you have any feedback on our support, please contact [email protected]
Please remember to mark the replies as answers if they help and unmark them if they provide no help.

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