Create and delete reminders on iCloud.com
Each reminder you create is put in a reminder list.
Create a reminder
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Go to icloud.com/reminders, then sign in to your Apple Account (if necessary).
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Select a list for the new reminder, then do one of the following:
If you’re using updated reminders, click
to add a reminder to the bottom of the list.You can also add a reminder below an existing reminder. Select the title of the reminder, then press Return or Enter.
If you’re not using updated reminders, click New Item.
Tip: To create a reminder from the iCloud.com homepage, click
in the corner of the Reminders tile. To create a new reminder from anywhere on iCloud.com, click 
in the toolbar, then click Reminder. Type the reminder (for example, “dentist appointment”) in the text field that appears, then press Return or Enter.
Add details to a reminder for updated reminders
You can add details to a reminder, like a note or alert. You can edit the reminder’s title, add notes, set an alert for a day or location, and flag a reminder.
Note: If you’re using updated reminders, you can also view a note’s priority and list on iCloud.com. Use the Reminders app on a device with iOS 13, iPadOS 13, macOS 10.15, or later to add additional details.
Go to icloud.com/reminders, then sign in to your Apple Account (if necessary).
Select the reminder you want to add details to, click
, then do any of the following:Edit the reminder title: Type a new title.
Add a note: Type a description or other information in the text field.
Receive an alert on a specific day: Turn on “Remind me on a Day,” then set the date and time.
Receive an alert at a particular location: Turn on “Remind at Location,” then click the pop-up menu and choose an option.
Flag a reminder: Click the flag at the top of the details pane.
Add details to a reminder (if you’re not using updated reminders)
If you’re not using updated reminders, you can add notes, set an alert for a specific day, and assign a priority to reminders.
Go to icloud.com/reminders, then sign in to your Apple Account (if necessary).
Select the reminder you want to add details to, click Details, then do any of the following:
Add a note: Type a description or other information in the text field.
Receive an alert on a specific day: Select “On a day,” then set the date and time you want to be reminded. Click the Never Repeat pop-up menu, then choose a reminder interval.
Assign a priority: Click the Priority pop-up menu, then choose an option. Prioritized items appear with one, two, or three exclamation points in the reminder list.
Delete a reminder
WARNING: When you delete a reminder, it’s deleted on every device with Reminders turned on in iCloud settings. If you’re using updated reminders and delete a reminder with subtasks, the reminder and all its subtasks are deleted.
Go to icloud.com/reminders, then sign in to your Apple Account (if necessary).
Select the list where the reminder appears, then select the reminder you want to delete.
Do one of the following:
Press the Delete or Backspace key.
If you’re not using updated reminders, you can also click Details, then click Delete in the Details window.
Note: If you accidentally delete reminders and you’re not using updated reminders, you can restore an archived version of your reminders. See Restore your reminders on iCloud.com.