Outlook Meeting Reminder Reset When Rescheduling

Microsoft Outlook is a powerful tool for managing your calendar, but users occasionally face frustrating quirks—one of the most common being that rescheduling a meeting can clear or reset the reminder time.

Whether you’re an executive assistant juggling dozens of calendar invites or a busy professional managing recurring meetings, it’s important to ensure you don’t miss alerts due to this issue. Let’s explore why this happens and how to fix or work around it.

The Problem

When you reschedule a meeting in Outlook, especially by dragging and dropping it to a new time slot on the calendar, you might notice that the reminder time disappears or resets to “None.”

This behavior isn’t always consistent—it can vary depending on how and where you make the change (e.g., desktop vs. mobile app, recurring vs. single meeting, etc.).

Why It Happens

Here are a few reasons why Outlook may reset reminders when rescheduling:

Drag-and-drop changes on the calendar view don’t retain custom reminder times.
Outlook mobile app may not support persistent reminder settings across edits.
Rescheduling recurring meetings can reset reminders for individual occurrences.
Shared mailboxes or delegate access can cause sync conflicts.
Default settings or policies in your Outlook or Microsoft 365 environment may override reminders.

Solutions and Workarounds

1. Manually Reset the Reminder

Always double-check your meeting after rescheduling:

Open the meeting.
Set the “Reminder” dropdown to the desired time (e.g., 15 minutes).
Click Send Update.

2. Avoid Drag-and-Drop Editing

While convenient, dragging a meeting to another time on your calendar can cause the reminder to be cleared.

Best practice: Open the meeting and update the time fields in the edit form.

3. Edit Using Outlook Desktop or Web

Outlook mobile apps sometimes don’t handle reminder persistence well.

Use Outlook for Windows or Outlook Web (OWA) to reschedule meetings to avoid issues.

4. Check Recurrence Settings

For recurring meetings:

Edit the entire series rather than individual occurrences when possible.
If editing a single instance, manually verify and reset the reminder.

5. Review Admin Policies (for IT Pros)

If you’re in a managed corporate environment:

Check Microsoft 365 or Group Policy settings that might override or disable reminders.
Some organizations deploy policies that affect default reminder behavior.

6. Use VBA to Automate Reminder Setting (Advanced)

For power users, a small macro can help automate setting reminders:

vbaCopyEditPrivate Sub Application_ItemSend(ByVal Item As Object, Cancel As Boolean)
    If TypeName(Item) = "AppointmentItem" Then
        Item.ReminderMinutesBeforeStart = 15
        Item.ReminderSet = True
    End If
End Sub

Add this code to the ThisOutlookSession in the VBA editor to auto-set reminders when sending meeting updates.

for more details check this blog on where to write this code

https://dellenny.com/automate-outlook-meeting-reminders-with-vba/

Pro Tips

Default reminder settings in Outlook can be configured via File > Options > Calendar > Default reminders.
If you don’t want reminders cleared, always verify before sending updates.
Consider using flags or categories as visual cues to double-check meeting details after editing.

Summary

While Outlook is feature-rich, it has quirks—like reminder settings disappearing when rescheduling meetings. Fortunately, with a few simple practices and settings tweaks, you can avoid missing important alerts.

📌 Key takeaway: Always review your reminder settings after rescheduling a meeting, and avoid drag-and-drop edits when possible.