If you are organizer of the meeting then there should not be an issue, you can simply cancel the meeting and it will be removed from all the recipients calendar.

Problems occurs when you accidently forward the meeting to large number of recipients accidently and you cannot cancel the forwarded meeting. In such scenario, you can follow below Steps.

 

To recall the sent meeting in outlook. Please follow below steps.

 

Go to outlook > File > Option > Customize Ribbon > In choose command from – select all commands > search for recall option > Select the recall option > Add > on the right side create a new group by clicking on new group and add the recall option in that. > Ok

 

Then open the meeting from sent items and there you will find the recall button, use that to recall the sent meeting.