Outlook Calendar - Updating Meeting Invite Issue & the Option to select notify added/deleted attendees is not available

Question

Outlook Calendar - Updating Meeting Invite Issue & the Option to select notify added/deleted attendees is not available

Edith Badkar 46

I have been having inconsistent Outlook meeting invitation problems. I use app on my desktop and I am an editor on my boss's calendar:

1) When I open a recurring meeting on a calendar that I am delegate and editor and select to modify the one appointment in the series, and I add a new Attendee, and once I click on Send Update it automatically sends a meeting cancelation to the original attendee and only invites the new attendee.

2) Also, before sending the meeting update it does not give me the option to Send updates only to added or deleted attendees or Send updates to all attendees, and sends the update to everyone if I have a large group. Why does MS remove features and change without notification to users.

Yuki Sun-MSFT 41,371 Reputation points Moderator

2022-02-03T05:37:35.347+00:00

Hi @Edith Badkar ，

Before we go on, could you collect the detailed version information of the Outlook client you are using via File > Office Account > About Outlook?
Does the two issues affect meetings on your own calendars?

Based on your description, I tried testing in my Outlook for Microsoft 365 but cannot reproduce the issues when adding an additional attendee to a meeting occurance on the calendar that I am delegete and editor. Would you have a check and let me know if I have misunderstood anything during the testing procedure?
Edith Badkar 46 Reputation points

2022-02-03T19:02:21.53+00:00

Hello @Yuki Sun-MSFT ,

Attached is a picture of my Outlook version:

I have two issues. And the issue you presented was for removing adding attendees. That problem is happening across the board on my own calendar, and as an editor delegate for three other calendars. I found that I don't get the options to notify added/deleted attendees in the pop-up window for any of my updated invitations anymore. That feature is gone!!!!

Another inconsistent issue, meaning it doesn't happen with ALL my meetings. I opened an old recurring meeting invitation in a calendar that I manage. I selected only the Just this one appointment in a series and I added an attendee. It sent the invitation to the new attendee but send a cancelation to the attendee that was already there! Huge problem.
Yuki Sun-MSFT 41,371 Reputation points Moderator

2022-02-08T08:29:36.063+00:00
Hi @Edith Badkar ，

For the first issue, in order to help narrow down whether there's any third-party add-in which may interfere with how Outlook triggers the "Send update to attendees" dialogue box, I'd suggest trying to launch Outlook in safe mode and see if the issue persists:

Quit Outlook.

Press Win+R, type "outlook /safe", press Enter.

For the second issue, as it occurs randomly, it could be more difficult to troubleshoot. Given this and considering that both the two issues are related to send meeting update, personally I'd recommend let's first focus on the first issue and see if the second one can be solved together with it.
Yuki Sun-MSFT 41,371 Reputation points Moderator

2022-02-14T08:17:40.863+00:00

Hi @Edith Badkar ，

Just checking in to see how things are going on with this issue. Do you have had a chance to try running Outlook in safe mode and check the result?

Accepted answer

4 additional answers

Your answer

Yuki Sun-MSFT 41,371 Reputation points Moderator

2022-02-03T05:37:35.347+00:00

Hi @Edith Badkar ，

Before we go on, could you collect the detailed version information of the Outlook client you are using via File > Office Account > About Outlook?
Does the two issues affect meetings on your own calendars?

Based on your description, I tried testing in my Outlook for Microsoft 365 but cannot reproduce the issues when adding an additional attendee to a meeting occurance on the calendar that I am delegete and editor. Would you have a check and let me know if I have misunderstood anything during the testing procedure?
Edith Badkar 46 Reputation points

2022-02-03T19:02:21.53+00:00

Hello @Yuki Sun-MSFT ,

Attached is a picture of my Outlook version:

I have two issues. And the issue you presented was for removing adding attendees. That problem is happening across the board on my own calendar, and as an editor delegate for three other calendars. I found that I don't get the options to notify added/deleted attendees in the pop-up window for any of my updated invitations anymore. That feature is gone!!!!

Another inconsistent issue, meaning it doesn't happen with ALL my meetings. I opened an old recurring meeting invitation in a calendar that I manage. I selected only the Just this one appointment in a series and I added an attendee. It sent the invitation to the new attendee but send a cancelation to the attendee that was already there! Huge problem.
Yuki Sun-MSFT 41,371 Reputation points Moderator

2022-02-08T08:29:36.063+00:00

Hi @Edith Badkar ，

For the first issue, in order to help narrow down whether there's any third-party add-in which may interfere with how Outlook triggers the "Send update to attendees" dialogue box, I'd suggest trying to launch Outlook in safe mode and see if the issue persists:

Quit Outlook.

Press Win+R, type "outlook /safe", press Enter.

For the second issue, as it occurs randomly, it could be more difficult to troubleshoot. Given this and considering that both the two issues are related to send meeting update, personally I'd recommend let's first focus on the first issue and see if the second one can be solved together with it.
Yuki Sun-MSFT 41,371 Reputation points Moderator

2022-02-14T08:17:40.863+00:00

Hi @Edith Badkar ，

Just checking in to see how things are going on with this issue. Do you have had a chance to try running Outlook in safe mode and check the result?

Answer 1

Peter Liebhardt 86

I had a similar issue with a user and found the solution for her.

After some googling I found out that this is a part of the 'Microsoft 365 Features' specifically 'Shared Calendar Improvements' which is default on OWA. On the Windows application you can turn this off by doing the following:

Right click Mailbox
Data File Properties...
Advanced...
'Advanced' tab
Untick 'Turn on shared calendar improvements'

Ann Barn 1 Reputation point

2022-05-13T13:59:46.773+00:00

Hi
@Peter Liebhardt
Whoever you are, you are amazing ! I have been googling and trying to sort this out for so long and you have sorted, I cannot thank you enough you are a superstar
Peter Liebhardt 86 Reputation points

2022-05-13T14:54:17.273+00:00

We were scratching our heads at this one for a little while as well and didn't find an answer relating to the issue - thought it was only right to share the answer :D

I only found the solution after figuring out this was advertised as a 'feature' of OWA, then look at it from that point of view, this article points it out: https://insider.office.com/en-us/blog/shared-calendars-improvements-in-outlook-for-windows
EA 1 Reputation point

2022-05-20T13:45:50.903+00:00

@Peter Liebhardt can you add snips of how to right click Mailbox? Is this with the desktop version of outlook? Thanks for your help!
Peter Liebhardt 86 Reputation points

2022-05-20T13:54:14.26+00:00

"By right click the mailbox" I mean that you should find your email address on the left-hand pane of your Outlook, right hand click this email address/mailbox.

Pete
Shon Wiginton 0 Reputation points

2023-08-02T16:14:27.0933333+00:00

Do you know anything about Microsoft PWA version

Answer 2

Saverio 1

Do you have any news to this Problem ?

Thanks

Edith Badkar 46 Reputation points

2022-02-28T16:56:44.41+00:00

Not really. I haven't had the issue again. I had a MS tech reload my profile but the problem is better but not fixed. I also don't know the reason why it was happening or why it doesn't happen all the time, especially with new meeting invitations.
Yuki Sun-MSFT 41,371 Reputation points Moderator

2022-03-02T08:12:12.897+00:00

Hi @Edith Badkar ，

Thanks for sharing the update of from your side. Just wondering do you mean recreating an Outlook profile by "reload my profile"?

Answer 3

Jodi Martin 0

HI Am having this issue also and already have the 365 Features button checked. This is really a problem for EA's who need to manager their executive Calander as all attendees get updated each time a change to a meeting is made. Eg new person added or removed.

Answer 4

Shon Wiginton 0

I'd like to say I'm having same issues not only with my calendar but also my VP's calendar. I'll set up a meeting for recurring & then he will want me to add attendees however once I do there's only the option to send. We have attendees that are not part of our organization (can't share calendar due to HIPPA) and when they hit the reply all to send out notes or other things related to our meeting the new attendees that were added do not show up on their end. They want me to delete the series and start fresh but then what if I have to add a new person then each time I'd have to redo this entire series. VERY FRUSTRATING!! Help!

Edith Badkar 46 Reputation points

2023-08-02T16:15:52.5933333+00:00

Go to File>Account Settings>Account Settings>Data Files Tab>Settings>Advanced Tab. Ensure that the Turn on shared calendar improvements is checked OFF.

Answer 5

Hi,

I faced the same issue with Outlook Calendar. To solve the problem, I found that Microsoft had made some changes to the app. To prevent the meeting cancellation and invite only the new attendee, I now edit the meeting, add the new attendee, and choose "Don't Send a Response" before clicking on "Send Update." This way, the original attendee won't receive a cancellation notice.

As for the missing option to notify added/deleted attendees, I discovered that it now automatically sends updates to all attendees. To address this, I now make sure to double-check the attendee list before sending updates for large groups to avoid unnecessary notifications.

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Outlook Calendar - Updating Meeting Invite Issue & the Option to select notify added/deleted attendees is not available

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