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Microsoft 365 (Outlook) - Set or remove reminders
This article explains how to set or remove reminders within your Outlook Calendar
Calendar appointments and meetings
For all new appointments or meetings (global change)
- Go to File | Options.
- Select Calendar from the left hand menu.
- To turn default reminders on or off for all new appointments or meetings, under Calendar options, select or clear the Default reminders check box.
- If you select the check box, enter how long before the appointment or meeting when you want the reminder to appear.
For existing appointments or meetings
- At the bottom of the screen, click Calendar.
- Open the appointment or meeting.
Note: If the Open Recurring Item dialog box appears, do one of the following:
- To set the reminder for just one appointment or meeting in a series, select Just this one.
- To set the reminder for all the appointments or meetings in a series, select The entire series.
- On the Appointment Occurrence or Meeting Occurrence tab, in the Options group, click the Reminder drop-down list, select how long before the appointment or meeting you want to get a reminder. To turn a reminder off, select None.
Note:For all-day events, the default reminder time is 18 hours in advance. Although you can't change the default for all of the all-day events that you create, you can change the reminder time on each appointment.
Email messages, contacts, and tasks
1. At the bottom of the screen, click Mail
![14 14](/images/group76/89751/14.jpg)
2. Navigate to the Home tab.
![11 11](/images/group76/89751/11.jpg)
3. In the tags group Click "follow up"
![12 12](/images/group76/89751/12.jpg)
4. Select "Add reminder"
![13 13](/images/group76/89751/13.jpg)
Tip:You can quickly flag email messages as to-do items by using reminders.
- Right-click the Flag Status column in the message list.
- Or if you have the message open in the Message tab, in the Tags group, click Follow Up, and then click Add Reminder.
- In the Custom dialog box, select or clear the Reminder check box. If you select the check box, enter the date and time when you want the reminder to appear.
- Click OK.