I had to do that awhile back as well when I was still on O365.
> On May 23, 2023, at 10:49 AM, Kovich Greg via NANOG wrote:
>
> Long time Mac user and I found the same problem when I updated my computer
> and laptop to the latest OS - Ventura.
>
> While my phone still was able to see and manage events and invitations, the
> Mac was blank.
>
> Long story short - I removed the 0365 account and then restored it (userid /
> password) and after a 30 minutes or so, my calendar events all repopulated
> and I continue as before.
>
> IDKWhy I had to go through this extra step, but everything is working as
> expected now.
> Note: Mac Mail never had a problem with the transition to Ventura, only
> Calendar.
>
> Happy to help you Mark if you direct email me.
>
>
>> On May 23, 2023, at 7:00 AM, nanog-requ...@nanog.org wrote:
>>
>>
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>> 1. Office 365 Calendar support for macOS Calendar App (Mark Tinka)
>>
>>
>> --
>>
>> Message: 1
>> Date: Tue, 23 May 2023 13:42:56 +0200
>> From: Mark Tinka
>> To: nanog@nanog.org
>> Subject: Office 365 Calendar support for macOS Calendar App
>> Message-ID: <818b9f7a-6e5d-d334-0ef8-50b3006eb9f4@tinka.africa>
>> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>>
>> Hi all.
>>
>> It may just be me, or it may not, but figured I'd ask... it seems like
>> Microsoft's 365 cloud service does not support the native Calendar app
>> on macOS.
>>
>> Oddly, it works without issue for the native Calendar app in iOS.
>>
>> A bit of Googl'ing and speaking with some 365 customer admins. suggests
>> that "Microsoft do not support Apple products in 365", which sounds most
>> odd to me, as I know a number of Microsoft apps do run on macOS and iOS.
>>
>> Am I off the mark, are others seeing the same, is this a known issue, is
>> it a non-issue?
>>
>> Mark.
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>> End of NANOG Digest, Vol 184, Issue 19
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>
