I now have the Microsoft fix implemented which is make available an 'Edit Meeting' button.
To implement the fix I had to jump through some hoops as my system was only configured for monthly upgrades and not currently available updates. For those of you who would like to upgrade your Outlook 365 to the latest version without having to wait until next month I have the following notes:
The Microsoft 365 Insider channel that was chosen hasn't installed yet. What do I do?
The Microsoft 365 Insider channel should be installed the next time Microsoft 365 Apps checks for updates. You can force Microsoft 365 Apps to check for updates by going to File > Account > Update Options > Update Now in an app, such as Word.
How do I change to a different channel at a later time?
To change to a different channel, you can rerun the "reg add" command again on the device to change to a different channel. For example, the following command updates the registry to Current Channel.
reg add HKLM\Software\Policies\Microsoft\office\16.0\common\officeupdate /v updatebranch /t REG_SZ /d Current
Check what Office Channel you are on by clicking File, Office Account, under About Outlook. If you are on Version 2310 then you are probably on Monthly Channel. It will get Version 2311 on January 9th.
If you want to switch to Current Channel, use the registry key in this article, Use a registry command to install Microsoft 365 Insider on Windows devices - Microsoft 365 Insider | Microsoft Learn.
- In Windows Search box search for Command prompt, right click Command Prompt and click Run as Administrator
- In the Command Prompt window paste this command and press Enter
reg add HKLM\Software\Policies\Microsoft\office\16.0\common\officeupdate /v updatebranch /t REG_SZ /d Current
- In Outlook click File, Office Account, Update Options, Update Now, to start to switch to CC and expect to restart Outlook to complete the update
Add the Edit Meeting button to the Ribbon
- In Outlook Desktop switch to your calendar and open a meeting item.
- Select File, Options, then Customize Ribbon.
- In the right column under Customize the classic ribbon, under Main Tabs, select Appointment.
- Select New Group and then after it appears, rename it Edit Meeting. You can rename it later if you prefer.
- Use the Move Up arrow to move the Edit Meeting button under Actions. Keep the new group Edit Meeting selected.
- Using the column on the left, under Choose commands from: click the dropdown and select Commands Not in the Ribbon.
- In the picker box, locate and select Edit Meeting, then click Addto add it to the custom group you just created.
Select OKto exit Customize the Ribbon.