diff --git a/packages/app-store/office365calendar/lib/CalendarService.ts b/packages/app-store/office365calendar/lib/CalendarService.ts
index 62219f8769..ba908b1a89 100644
--- a/packages/app-store/office365calendar/lib/CalendarService.ts
+++ b/packages/app-store/office365calendar/lib/CalendarService.ts
@@ -481,7 +481,9 @@ export default class Office365CalendarService implements Calendar {
               .map((member) => {
                 const destinationCalendar =
                   event.destinationCalendar &&
-                  event.destinationCalendar.find((cal) => cal.userId === member.id);
+                  event.destinationCalendar.find(
+                    (cal) => cal.integration === this.integrationName && cal.userId === member.id
+                  );
                 return {
                   emailAddress: {
                     address: destinationCalendar?.externalId ?? member.email,
diff --git a/packages/features/bookings/lib/handleNewBooking.ts b/packages/features/bookings/lib/handleNewBooking.ts
index 7f067f209a..74f08daa95 100644
--- a/packages/features/bookings/lib/handleNewBooking.ts
+++ b/packages/features/bookings/lib/handleNewBooking.ts
@@ -1480,7 +1480,7 @@ async function handler(
 
   const changedOrganizer =
     !!originalRescheduledBooking &&
-    eventType.schedulingType === SchedulingType.ROUND_ROBIN &&
+    (eventType.schedulingType === SchedulingType.ROUND_ROBIN || eventType.schedulingType === SchedulingType.COLLECTIVE) &&
     originalRescheduledBooking.userId !== evt.organizer.id;
 
   const skipDeleteEventsAndMeetings = changedOrganizer;
diff --git a/packages/features/bookings/lib/handleNewBooking/test/team-bookings/collective-reschedule-destination-calendar.test.ts b/packages/features/bookings/lib/handleNewBooking/test/team-bookings/collective-reschedule-destination-calendar.test.ts
index c3cf1b3b94..1a309971ac 100644
--- a/packages/features/bookings/lib/handleNewBooking/test/team-bookings/collective-reschedule-destination-calendar.test.ts
+++ b/packages/features/bookings/lib/handleNewBooking/test/team-bookings/collective-reschedule-destination-calendar.test.ts
@@ -138,11 +138,7 @@ describe("handleNewBooking", () => {
                 status: BookingStatus.ACCEPTED,
                 startTime: `${plus1DateString}T05:00:00.000Z`,
                 endTime: `${plus1DateString}T05:30:00.000Z`,
-                users: [
-                  {
-                    id: 101, // organizer
-                  },
-                ],
+                userId: 101,
                 references: [
                   {
                     type: appStoreMetadata.dailyvideo.type,
diff --git a/packages/lib/formatCalendarEvent.ts b/packages/lib/formatCalendarEvent.ts
index a9e8482efe..53d28cb764 100644
--- a/packages/lib/formatCalendarEvent.ts
+++ b/packages/lib/formatCalendarEvent.ts
@@ -17,10 +17,12 @@ const formatClientIdFromEmails = (calEvent: CalendarEvent | ExtendedCalendarEven
   const team = calEvent.team
     ? {
         ...calEvent.team,
-        members: calEvent.team.members.map((member) => ({
-          ...member,
-          email: member.email.replace(`+${clientId}`, ""),
-        })),
+        members: calEvent.team.members.map((member) => {
+          return {
+            ...member,
+            email: member.email.replace(`+${clientId}`, ""),
+          };
+        }),
       }
     : undefined;
   return [attendees, organizer, team];
@@ -39,8 +41,8 @@ export const formatCalEvent = (calEvent: CalendarEvent) => {
 export const formatCalEventExtended = (calEvent: ExtendedCalendarEvent) => {
   const clonedEvent = cloneDeep(calEvent);
   if (clonedEvent.platformClientId) {
-    const [attendees, organizer] = formatClientIdFromEmails(clonedEvent, clonedEvent.platformClientId);
-    Object.assign(clonedEvent, { attendees, organizer });
+    const [attendees, organizer, team] = formatClientIdFromEmails(clonedEvent, clonedEvent.platformClientId);
+    Object.assign(clonedEvent, { attendees, organizer, team });
   }
 
   return clonedEvent;