- Send updates only to added or deleted attendees
- Send updates to all attendees
These options were removed from Outlook on the web, and the code logic was moved to the server. Therefore, the server makes the decision about whether to send the update to all attendees or only to attendees that are added or deleted.
Note This change affects only Outlook on the web. These notifications are displayed in Microsoft Outlook when a meeting organizer adds or removes attendees from an existing meeting request.
Two kinds of updates
There are two kinds of updates: an update that requires a response and an informational update.
By default, updates are not sent to all recipients but only to the specific adjusted recipients (added or deleted attendees).
Updates are sent to all recipients for single and recurrence meetings when one of the following items is changed:
- Location field
- Message body
These updates are informational, and they do not require the recipient to process (accept/decline/tentative).
Updates are sent to all recipients to be processed when one of the following changes occur:
- Start/end date or time changes
- Recurrence pattern changes
- Instance of a recurrence pattern changes
- Instance or series cancellations
These updates require a response, and they do require the recipient to process (accept/decline/tentative).
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