diff --git a/packages/app-store/googlecalendar/lib/CalendarService.ts b/packages/app-store/googlecalendar/lib/CalendarService.ts
index 472edeaf02..a46450133b 100644
--- a/packages/app-store/googlecalendar/lib/CalendarService.ts
+++ b/packages/app-store/googlecalendar/lib/CalendarService.ts
@@ -165,6 +165,7 @@ export default class GoogleCalendarService implements Calendar {
             type: "google_calendar",
             password: "",
             url: "",
+            iCalUID: event.data.iCalUID,
           });
         }
       );
@@ -201,6 +202,9 @@ export default class GoogleCalendarService implements Calendar {
             id: String(event.organizer.id),
             organizer: true,
             responseStatus: "accepted",
+            email: event.destinationCalendar?.externalId
+              ? event.destinationCalendar.externalId
+              : event.organizer.email,
           },
           // eslint-disable-next-line
           ...eventAttendees,
@@ -268,6 +272,7 @@ export default class GoogleCalendarService implements Calendar {
               type: "google_calendar",
               password: "",
               url: "",
+              iCalUID: evt.data.iCalUID,
             });
           }
           return resolve(evt?.data);
diff --git a/packages/app-store/office365calendar/lib/CalendarService.ts b/packages/app-store/office365calendar/lib/CalendarService.ts
index 7eadee15bc..21fd11a85e 100644
--- a/packages/app-store/office365calendar/lib/CalendarService.ts
+++ b/packages/app-store/office365calendar/lib/CalendarService.ts
@@ -73,7 +73,9 @@ export default class Office365CalendarService implements Calendar {
         body: JSON.stringify(this.translateEvent(event)),
       });
 
-      return handleErrorsJson(response);
+      const responseJson = await handleErrorsJson<NewCalendarEventType & { iCalUId: string }>(response);
+
+      return { ...responseJson, iCalUID: responseJson.iCalUId };
     } catch (error) {
       this.log.error(error);
 
@@ -88,7 +90,9 @@ export default class Office365CalendarService implements Calendar {
         body: JSON.stringify(this.translateEvent(event)),
       });
 
-      return handleErrorsRaw(response);
+      const responseJson = await handleErrorsJson<NewCalendarEventType & { iCalUId: string }>(response);
+
+      return { ...responseJson, iCalUID: responseJson.iCalUId };
     } catch (error) {
       this.log.error(error);
 
diff --git a/packages/core/CalendarManager.ts b/packages/core/CalendarManager.ts
index 241c8239d0..4d5bf3103e 100644
--- a/packages/core/CalendarManager.ts
+++ b/packages/core/CalendarManager.ts
@@ -265,6 +265,7 @@ export const createEvent = async (
     type: credential.type,
     success,
     uid,
+    iCalUID: creationResult?.iCalUID || undefined,
     createdEvent: creationResult,
     originalEvent: calEvent,
     calError,
diff --git a/packages/core/EventManager.ts b/packages/core/EventManager.ts
index 34345884a5..d8bc62d544 100644
--- a/packages/core/EventManager.ts
+++ b/packages/core/EventManager.ts
@@ -10,15 +10,12 @@ import { MeetLocationType } from "@calcom/app-store/locations";
 import getApps from "@calcom/app-store/utils";
 import prisma from "@calcom/prisma";
 import { createdEventSchema } from "@calcom/prisma/zod-utils";
-import type { AdditionalInformation, CalendarEvent, NewCalendarEventType } from "@calcom/types/Calendar";
+import type { NewCalendarEventType } from "@calcom/types/Calendar";
+import type { AdditionalInformation, CalendarEvent } from "@calcom/types/Calendar";
 import type { CredentialPayload, CredentialWithAppName } from "@calcom/types/Credential";
 import type { Event } from "@calcom/types/Event";
-import type {
-  CreateUpdateResult,
-  EventResult,
-  PartialBooking,
-  PartialReference,
-} from "@calcom/types/EventManager";
+import type { EventResult } from "@calcom/types/EventManager";
+import type { CreateUpdateResult, PartialBooking, PartialReference } from "@calcom/types/EventManager";
 
 import { createEvent, updateEvent } from "./CalendarManager";
 import { createMeeting, updateMeeting } from "./videoClient";
@@ -125,12 +122,24 @@ export default class EventManager {
     // Create the calendar event with the proper video call data
     results.push(...(await this.createAllCalendarEvents(clonedCalEvent)));
 
+    // Since the result can be a new calendar event or video event, we have to create a type guard
+    // https://www.typescriptlang.org/docs/handbook/2/narrowing.html#using-type-predicates
+    const isCalendarResult = (
+      result: (typeof results)[number]
+    ): result is EventResult<NewCalendarEventType> => {
+      return result.type.includes("_calendar");
+    };
+
     const referencesToCreate = results.map((result) => {
       let createdEventObj: createdEventSchema | null = null;
       if (typeof result?.createdEvent === "string") {
         createdEventObj = createdEventSchema.parse(JSON.parse(result.createdEvent));
       }
 
+      if (isCalendarResult(result)) {
+        evt.iCalUID = result.iCalUID || undefined;
+      }
+
       return {
         type: result.type,
         uid: createdEventObj ? createdEventObj.id : result.createdEvent?.id?.toString() ?? "",
diff --git a/packages/emails/templates/attendee-scheduled-email.ts b/packages/emails/templates/attendee-scheduled-email.ts
index 46ed34cca6..e33f77fb55 100644
--- a/packages/emails/templates/attendee-scheduled-email.ts
+++ b/packages/emails/templates/attendee-scheduled-email.ts
@@ -37,21 +37,21 @@ export default class AttendeeScheduledEmail extends BaseEmail {
       // ics appends "RRULE:" already, so removing it from RRule generated string
       recurrenceRule = new RRule(this.calEvent.recurringEvent).toString().replace("RRULE:", "");
     }
-    const partstat: ParticipationStatus = "NEEDS-ACTION";
+    const partstat: ParticipationStatus = "ACCEPTED";
     const role: ParticipationRole = "REQ-PARTICIPANT";
     const icsEvent = createEvent({
+      uid: this.calEvent.iCalUID || this.calEvent.uid!,
       start: dayjs(this.calEvent.startTime)
         .utc()
         .toArray()
         .slice(0, 6)
         .map((v, i) => (i === 1 ? v + 1 : v)) as DateArray,
       startInputType: "utc",
-      productId: "calendso/ics",
+      productId: "calcom/ics",
       title: this.calEvent.title,
       description: this.getTextBody(),
       duration: { minutes: dayjs(this.calEvent.endTime).diff(dayjs(this.calEvent.startTime), "minute") },
       organizer: { name: this.calEvent.organizer.name, email: this.calEvent.organizer.email },
-
       attendees: [
         ...this.calEvent.attendees.map((attendee: Person) => ({
           name: attendee.name,
diff --git a/packages/emails/templates/attendee-was-requested-to-reschedule-email.ts b/packages/emails/templates/attendee-was-requested-to-reschedule-email.ts
index 97967572bf..295d435ead 100644
--- a/packages/emails/templates/attendee-was-requested-to-reschedule-email.ts
+++ b/packages/emails/templates/attendee-was-requested-to-reschedule-email.ts
@@ -47,7 +47,7 @@ export default class AttendeeWasRequestedToRescheduleEmail extends OrganizerSche
         .slice(0, 6)
         .map((v, i) => (i === 1 ? v + 1 : v)) as DateArray,
       startInputType: "utc",
-      productId: "calendso/ics",
+      productId: "calcom/ics",
       title: this.t("ics_event_title", {
         eventType: this.calEvent.type,
         name: this.calEvent.attendees[0].name,
diff --git a/packages/emails/templates/organizer-requested-to-reschedule-email.ts b/packages/emails/templates/organizer-requested-to-reschedule-email.ts
index 8293c7053a..7a601af696 100644
--- a/packages/emails/templates/organizer-requested-to-reschedule-email.ts
+++ b/packages/emails/templates/organizer-requested-to-reschedule-email.ts
@@ -54,7 +54,7 @@ export default class OrganizerRequestedToRescheduleEmail extends OrganizerSchedu
         .slice(0, 6)
         .map((v, i) => (i === 1 ? v + 1 : v)) as DateArray,
       startInputType: "utc",
-      productId: "calendso/ics",
+      productId: "calcom/ics",
       title: this.t("ics_event_title", {
         eventType: this.calEvent.type,
         name: this.calEvent.attendees[0].name,
diff --git a/packages/emails/templates/organizer-scheduled-email.ts b/packages/emails/templates/organizer-scheduled-email.ts
index 02828a5992..c24f39e563 100644
--- a/packages/emails/templates/organizer-scheduled-email.ts
+++ b/packages/emails/templates/organizer-scheduled-email.ts
@@ -35,13 +35,14 @@ export default class OrganizerScheduledEmail extends BaseEmail {
       recurrenceRule = new RRule(this.calEvent.recurringEvent).toString().replace("RRULE:", "");
     }
     const icsEvent = createEvent({
+      uid: this.calEvent.iCalUID || this.calEvent.uid!,
       start: dayjs(this.calEvent.startTime)
         .utc()
         .toArray()
         .slice(0, 6)
         .map((v, i) => (i === 1 ? v + 1 : v)) as DateArray,
       startInputType: "utc",
-      productId: "calendso/ics",
+      productId: "calcom/ics",
       title: this.calEvent.title,
       description: this.getTextBody(),
       duration: { minutes: dayjs(this.calEvent.endTime).diff(dayjs(this.calEvent.startTime), "minute") },
diff --git a/packages/features/bookings/lib/handleNewBooking.ts b/packages/features/bookings/lib/handleNewBooking.ts
index cb04e6f34d..a2d49967a1 100644
--- a/packages/features/bookings/lib/handleNewBooking.ts
+++ b/packages/features/bookings/lib/handleNewBooking.ts
@@ -1057,6 +1057,10 @@ async function handler(
 
           const results = updateManager.results;
 
+          const calendarResult = results.find((result) => result.type.includes("_calendar"));
+
+          evt.iCalUID = calendarResult.updatedEvent.iCalUID || undefined;
+
           if (results.length > 0 && results.some((res) => !res.success)) {
             const error = {
               errorCode: "BookingReschedulingMeetingFailed",
@@ -1183,7 +1187,15 @@ async function handler(
 
         const copyEvent = cloneDeep(evt);
 
-        await eventManager.reschedule(copyEvent, rescheduleUid, newTimeSlotBooking.id);
+        const updateManager = await eventManager.reschedule(copyEvent, rescheduleUid, newTimeSlotBooking.id);
+
+        const results = updateManager.results;
+
+        const calendarResult = results.find((result) => result.type.includes("_calendar"));
+
+        evt.iCalUID = Array.isArray(calendarResult?.updatedEvent)
+          ? calendarResult?.updatedEvent[0]?.iCalUID
+          : calendarResult?.updatedEvent?.iCalUID || undefined;
 
         // TODO send reschedule emails to attendees of the old booking
         await sendRescheduledEmails({
@@ -1266,7 +1278,15 @@ async function handler(
 
       const copyEvent = cloneDeep(evt);
 
-      await eventManager.reschedule(copyEvent, rescheduleUid, newTimeSlotBooking.id);
+      const updateManager = await eventManager.reschedule(copyEvent, rescheduleUid, newTimeSlotBooking.id);
+
+      const results = updateManager.results;
+
+      const calendarResult = results.find((result) => result.type.includes("_calendar"));
+
+      evt.iCalUID = Array.isArray(calendarResult?.updatedEvent)
+        ? calendarResult?.updatedEvent[0]?.iCalUID
+        : calendarResult?.updatedEvent?.iCalUID || undefined;
 
       await sendRescheduledSeatEmail(copyEvent, seatAttendee as Person);
       const filteredAttendees = originalRescheduledBooking?.attendees.filter((attendee) => {
@@ -1575,7 +1595,7 @@ async function handler(
     return prisma.booking.create(createBookingObj);
   }
 
-  let results: EventResult<AdditionalInformation & { url?: string }>[] = [];
+  let results: EventResult<AdditionalInformation & { url?: string; iCalUID?: string }>[] = [];
   let referencesToCreate: PartialReference[] = [];
 
   type Booking = Prisma.PromiseReturnType<typeof createBooking>;
@@ -1716,6 +1736,11 @@ async function handler(
       log.error(`Booking ${organizerUser.name} failed`, error, results);
     } else {
       const metadata: AdditionalInformation = {};
+      const calendarResult = results.find((result) => result.type.includes("_calendar"));
+
+      evt.iCalUID = Array.isArray(calendarResult?.updatedEvent)
+        ? calendarResult?.updatedEvent[0]?.iCalUID
+        : calendarResult?.updatedEvent?.iCalUID || undefined;
 
       if (results.length) {
         // TODO: Handle created event metadata more elegantly
diff --git a/packages/prisma/zod-utils.ts b/packages/prisma/zod-utils.ts
index 730e83817d..4a83a761fa 100644
--- a/packages/prisma/zod-utils.ts
+++ b/packages/prisma/zod-utils.ts
@@ -235,6 +235,7 @@ export const createdEventSchema = z
     id: z.string(),
     password: z.union([z.string(), z.undefined()]),
     onlineMeetingUrl: z.string().nullable(),
+    iCalUID: z.string().optional(),
   })
   .passthrough();
 
diff --git a/packages/types/Calendar.d.ts b/packages/types/Calendar.d.ts
index f97079faa8..85d372d5b0 100644
--- a/packages/types/Calendar.d.ts
+++ b/packages/types/Calendar.d.ts
@@ -61,6 +61,7 @@ export type NewCalendarEventType = {
   password: string;
   url: string;
   additionalInfo: AdditionalInfo;
+  iCalUID?: string | null;
 };
 
 export type CalendarEventType = {
@@ -172,6 +173,7 @@ export interface CalendarEvent {
   seatsShowAttendees?: boolean | null;
   attendeeSeatId?: string;
   seatsPerTimeSlot?: number | null;
+  iCalUID?: string | null;
 
   // It has responses to all the fields(system + user)
   responses?: CalEventResponses | null;
diff --git a/packages/types/EventManager.d.ts b/packages/types/EventManager.d.ts
index 97759dbcf5..1f60ba13f5 100644
--- a/packages/types/EventManager.d.ts
+++ b/packages/types/EventManager.d.ts
@@ -1,7 +1,4 @@
-import { DestinationCalendar } from "@prisma/client";
-
 import type { CalendarEvent } from "./Calendar";
-import type { Event } from "./Event";
 
 export interface PartialReference {
   id?: number;
@@ -19,6 +16,7 @@ export interface EventResult<T> {
   appName: string;
   success: boolean;
   uid: string;
+  iCalUID?: string | null;
   createdEvent?: T;
   updatedEvent?: T | T[];
   originalEvent: CalendarEvent;