Options to create calendar reminders as a 3rd party

[Cyientist]

I'm not sure I can articulate specifically what I'm wanting to do, but here it goes.

I want to create a system to make a calendar reminder for others to send to their clients. Basically these groups that I want to create calendar invites for have clients that need to do some simple management 3 to 4 times a year. Their clients would benefit with receiving a reminder to do so. It would be a service I provide to these groups to create the reminders that would contain specific information for each of their clients.

Is there a way that I could create a file, like an .ics that I could transfer to the group so they could save it to their calendar then send the invite to their client? I see that I could ask for delegate access to their calendar, but that is more invasive than I would like. Thanks!

 

[3GenClone]

Have you explored the "Bookings" feature in O365? I've been using that to generate links for people to schedule service calls, but these are all internal customers. There is also a "Shared Booking Page" which you could use for your team and would give you that team calendar, but the same of how to invite the client (external).