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New Outlook notifications not appearing

Vachris, Brendan 30 Reputation points
2025-07-24T18:17:28.8366667+00:00

My outlook calendar keeps all my meetings and appointments together in one place. Classic outlook would default to sending a reminder 15 minutes before any event in my calendar. In new outlook, sometimes the reminder box appears, but often times it does not. In the settings for individual events I have double checked that reminders are active, and my computer is not in battery saver mode, yet still I have meetings that start with no reminder given ahead of time. This is especially prevalent to meetings that originate from outside my network, yet classic outlook handled those reminders just fine. Is there something I can do on my end to fix this?

Outlook | Windows | New Outlook for Windows | For business

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  1. Ryan-N 12,660 Reputation points Microsoft External Staff Moderator
    2025-07-24T18:48:06.96+00:00

    Hi @Vachris, Brendan,

    Thank you for reaching out regarding the issue with calendar reminders not appearing consistently in the New Outlook. Below is a detailed troubleshooting guide to help restore reliable notifications, especially for meetings originating outside your organization.

     

    1/Review Windows Notification Settings

    • Navigate to Windows Settings > System > Notifications and ensure “Get notifications from apps” is turned on.
    • Locate Outlook in the app list and confirm that notifications (banner/sound) are enabled.
    • Disable Focus Assist / Do Not Disturb mode to prevent suppression of alerts.
    • If you use Microsoft Teams, make sure your status is not set to “Do Not Disturb,” as it may mute Outlook notifications.

    2/Adjust External Meeting Invitations

    • When accepting meetings from external senders (e.g., Google Calendar), Outlook may not automatically apply your default reminder.
    • After accepting, open the event in your calendar and check the Reminder setting. If it’s set to “None,” manually change it to 15 minutes or your preferred lead time, then save the event.

    3/Additional Steps if the Issue Persists

    • Repair or Reset Outlook: Go to Windows Settings > Apps > Installed Apps, find Outlook (New), click Advanced options, and choose Repair. If needed, use Reset to restore default settings.
    • Switch to Classic Outlook (if needed): If reminders are critical and the New Outlook remains unreliable, consider temporarily switching back to Classic Outlook using the toggle in the top-right corner of the app.

     

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  1. Sarah B 20 Reputation points
    2025-09-15T14:36:02.7033333+00:00

    I have been researching this same issue. Here is what I did to start seeing them again. Within Outlook, I went to Settings > General > Notifications > Mail > Calendar and then selected ON and then I selected the small drop down options. The notification style was defaulted to "Desktop" so I switched it to "Reminder" instead and it fixed my issue. Hope this helps!

    6 people found this answer helpful.
  2. Dan Robinson 0 Reputation points
    2025-11-05T18:27:30.7766667+00:00

    Here's what worked for me. (It's similar to Sarah B's answer above, but my situation was slightly different.)

    1. In the new version of Outlook, click the gear icon (i.e., "Settings") in the top banner.
    2. Click on "General" in the left-hand column. (See the screenshot below.)
    3. Click on "Notifications."
    4. If the "Calendar" category is turned off, you've found your problem! Turn it on.

    Here's a screenshot illustrating steps 2-4:

    Screenshot 2025-11-05 -- Outlook setting

    2 people found this answer helpful.
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