Step 1:
Edit a page of Confluence and create a table with at least one column for dates, such as Due Date as shown below. Please refer to the Global Configuration section below for the supported date formats. For formats other than the default ones, please contact the administrator to define them in the global Configuration page). There is no requirement for the naming of the header of the table.
Step 2:
When the table is created as per Step 1, you can click the "Expiration Reminder" button at the top of the page. The following window will pop up:
Click the "Add Reminder" button to add a table reminder:
For a better understanding of the above configuration page, please visit this link: 2.3 Indepth understanding of the "Add Reminder" Pop-up
All Done!
After adding the reminder, you can now see an alarm clock appearing on the header column for the target dates while viewing the page as shown below:
Hover the mouse over the icon, you can view the details of the reminder you just added to the column:
If you see a warning icon in table instead, it means that some of the dates you fill in the table do not match the date format of the reminder column you set.
If you see a warning icon at the top of the page and in the table reminder list, saying “Reminder column not found, as column was deleted or name was modified.” It means that the previously set column to be reminded cannot be found, and you need to edit the reminder again to match the current column name.
Click the "Expiration Reminder" button at the top of the page to view all the reminders you have added on this page:
Note: It also supports dates stored in a merged cell.