Hi @Rabah Ferhi
Welcome to our forum!
According to my tests, creating a meeting by email is the same as creating a regular meeting. Attendees receive an invitation as shown below, with √ in the upper-right corner indicating acceptance of the meeting.
In OWA, the following acceptance options are displayed.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
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