Getting proper meeting invitations in Thunderbird from Office 365

The only content of the calendar invites
What I wanted
sudo rpm — import https://packages.microsoft.com/keys/microsoft.asccurl https://packages.microsoft.com/config/rhel/7/prod.repo | sudo tee /etc/yum.repos.d/microsoft.reposudo dnf check-updatesudo dnf install compat-openssl10sudo dnf install -y powershell
sudo pwsh -Command 'Install-Module -Name PSWSMan'
sudo pwsh -Command 'Install-WSMan'
$ pwsh
PS /home/olen> $UserCredential = Get-Credential
Enter your credentials
...
PS /home/olen> $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirectionPS /home/olen> $ImportResults = Import-PSSession $SessionPS /home/olen> Get-CASMailbox USERNAME | format-list *ForceIcal*,*UseProtocolDefaultsPopForceICalForCalendarRetrievalOption : True
ImapForceICalForCalendarRetrievalOption : True
PopUseProtocolDefaults : True
ImapUseProtocolDefaults : True
PS /home/olen> Set-CASMailbox USERNAME -PopUseProtocolDefaults:$FALSE -ImapUseProtocolDefaults:$FALSE -PopForceICalForCalendarRetrievalOption:$TRUE -ImapForceICalForCalendarRetrievalOption:$TRUEPS /home/olen> Get-CASMailbox USERNAME | format-list *ForceIcal*,*UseProtocolDefaultsPopForceICalForCalendarRetrievalOption  : True
ImapForceICalForCalendarRetrievalOption : True
PopUseProtocolDefaults : False
ImapUseProtocolDefaults : False
$ rm -Rf /home/olen/.thunderbird/<UID>/ImapMail/<Account name>/*

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