Can't delete extra calendars in Outlook 2016

I have 2 extra calendars in Outlook 2016, that I have no idea why they are there.  I can't delete them.  When I open my calendars in Office 365, they are not there.

See attachment

How do I remove them?

calendars.jpg
J.R. SitmanIT DirectorAsked:
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Karl Timmermans (Outlook MVP)PrincipalCommented:
I have 2 extra calendars in Outlook 2016

When you look the Outlook Nav Pane in full Folder view - how many calendar folders appear? From the description, it sounds like you have multiple data files configured in Outlook each of which has a calendar folder. The Outlook Nav Pane has one folder tree for each data file configured which can be seen by going to Outlook menu --> File --> Account Settings --> Data Files tab

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J.R. SitmanIT DirectorAuthor Commented:
Under "my calendars there are 3 (in attachment) and 1 shared.  Only 1 data file.  See attached

datafiles.jpg
Karl Timmermans (Outlook MVP)PrincipalCommented:
You have two options

#1 - As originally requested, how many calendar folders appear in the IMAP folder tree when viewing the Nav Pane in full "Folder View". If there are more then one - then that's the issue

#2 - The other thing to try to exclude any profile issues would be to create a new profile (don't need to delete the current one) by using the Control Panel --> Mail app (with Outlook closed) and configure the account. Make sure you set the newly created profile as the default for the next time Outlook is opened.
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J.R. SitmanIT DirectorAuthor Commented:
Sorry, misunderstood.  See attached.  However, When I go to accounts there is only one.  I'll try creating a new profile

admin.jpg
Karl Timmermans (Outlook MVP)PrincipalCommented:
Just for the sake of completeness - your contact folder has sub-folders so would double-check that.

However, there is something strange with the folder tree is you're using OL'2016 desktop with an IMAP account and no other data file in the profile (which is the case based on your scrnshot). The contact/calendar folders should have the words "This Computer Only" in the folder name - something is not making sense in that respect.
J.R. SitmanIT DirectorAuthor Commented:
Thanks.  This post pointed me the the right direction.   In Office 365 there is an Admin mailbox, which I had full permissions to.  I removed me from that delegation.
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