Duplicate shared calendars

Question

Can anyone help me understand how to resolve an issue I have with calendars in Outlook? I have three shared calendars up, but on random occasions when I open Outlook there is a blank titled duplicate calendar separate from the original three. The duplicate is always randomly one of the original. If I delete it from the view pane the original is also removed. If I delete the original the duplicate remains. I have tried both updates to my PC as well as uninstalling and re-installing Microsoft Office 365. Any help or insight would be much appreciated.

*** Moved from: Outlook / Outlook.com / Calendars and tasks ***

Answer 1

I just noticed that it seems to only duplicate a calendar when the user's actual, primary, calendar is not selected. It'll duplicate a calendar every time when the user's calendar is not selected and the user switches from the Calendar view to Mail or anything and back to the Calendar view.

Answer 2

Hi MMassie

Thank you for choosing Microsoft Community.

Based on your description, don't worry, we can work together to get closer to the answer.

From the Outlook for Windows category you posted, we know your problem is "Shared calendars are duplicated in your client and calendar headers render blank". Please feel free to correct me if my understanding is wrong. I know that sometimes troubleshooting can take a while and the fact that the problem has not been resolved can be frustrating.

Depending on what you have done, the current Office 365 suite has been uninstalled and reinstalled, and we may need more detailed information from you.

1. Does this shared calendar duplicated on all accounts, or does the problem only occur on specific accounts?
2. At the same time, we found that the problem still occurs after reinstalling your Office. Could you please go to the webpage of the mailbox to see if the shared calendar will also randomly appear on the webpage with a blank calendar titled as duplicate.
3. If it is convenient for you, please try to provide the interface displayed on the client and web page of the shared calendar, we will check it for you, of course, please pay attention to cover your personal email address.

We always look forward to your reply.

Best regards,

Chandy|Microsoft Community Support Specialist

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