Outlook 365 Calendar not showing the reminder pop up if the sender has not set up the reminder. Why?

Biju Jacob 11 Reputation points

My Outlook 365 Calendar is not showing me a reminder for a meeting if the sender has not set up the reminder in his outlook. I am wondering why do the reminder pop up from my outlook to attend this meeting is depended on whether if the sender has set up the reminder? Why did Microsoft designed it such a way that these are depended? Can you fix this issue so that my outlook is reminded me on all calendar irrespective of if the sender has the set up or not? This is a crucial bug to fix/update..

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Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
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  1. ChristyZhang-MSFT 22,181 Reputation points Microsoft Vendor

    Hi @Biju Jacob ,

    Welcome to our forum!

    As i know, we can set the default amount of time at which you want to receive reminders before new calendar items (for example, 15 minutes, 30 minutes, etc.). Please try the following steps:

    1. Click File > Options > Calendar.
    2. Under Calendar options, select or clear Default reminders.

    User's image

    More information: Set reminders for all new meetings.

    Hope to help you!

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