diff --git a/packages/app-store/exchange2013calendar/lib/CalendarService.ts b/packages/app-store/exchange2013calendar/lib/CalendarService.ts
index ac00747b65..b0a2b4be6a 100644
--- a/packages/app-store/exchange2013calendar/lib/CalendarService.ts
+++ b/packages/app-store/exchange2013calendar/lib/CalendarService.ts
@@ -74,6 +74,12 @@ export default class ExchangeCalendarService implements Calendar {
         appointment.RequiredAttendees.Add(new Attendee(event.attendees[i].email));
       }
 
+      if (event.team?.members) {
+        event.team.members.forEach((member) => {
+          appointment.RequiredAttendees.Add(new Attendee(member.email));
+        });
+      }
+
       await appointment.Save(SendInvitationsMode.SendToAllAndSaveCopy);
 
       return {
@@ -106,6 +112,11 @@ export default class ExchangeCalendarService implements Calendar {
       for (let i = 0; i < event.attendees.length; i++) {
         appointment.RequiredAttendees.Add(new Attendee(event.attendees[i].email));
       }
+      if (event.team?.members) {
+        event.team.members.forEach((member) => {
+          appointment.RequiredAttendees.Add(new Attendee(member.email));
+        });
+      }
       appointment.Update(
         ConflictResolutionMode.AlwaysOverwrite,
         SendInvitationsOrCancellationsMode.SendToAllAndSaveCopy
diff --git a/packages/app-store/exchange2016calendar/lib/CalendarService.ts b/packages/app-store/exchange2016calendar/lib/CalendarService.ts
index 2c60e4fe64..3b96e59c85 100644
--- a/packages/app-store/exchange2016calendar/lib/CalendarService.ts
+++ b/packages/app-store/exchange2016calendar/lib/CalendarService.ts
@@ -75,6 +75,12 @@ export default class ExchangeCalendarService implements Calendar {
         appointment.RequiredAttendees.Add(new Attendee(event.attendees[i].email));
       }
 
+      if (event.team?.members) {
+        event.team.members.forEach((member) => {
+          appointment.RequiredAttendees.Add(new Attendee(member.email));
+        });
+      }
+
       await appointment.Save(SendInvitationsMode.SendToAllAndSaveCopy);
 
       return {
@@ -106,6 +112,11 @@ export default class ExchangeCalendarService implements Calendar {
       for (let i = 0; i < event.attendees.length; i++) {
         appointment.RequiredAttendees.Add(new Attendee(event.attendees[i].email));
       }
+      if (event.team?.members) {
+        event.team.members.forEach((member) => {
+          appointment.RequiredAttendees.Add(new Attendee(member.email));
+        });
+      }
       appointment.Update(
         ConflictResolutionMode.AlwaysOverwrite,
         SendInvitationsOrCancellationsMode.SendToAllAndSaveCopy
diff --git a/packages/app-store/exchangecalendar/lib/CalendarService.ts b/packages/app-store/exchangecalendar/lib/CalendarService.ts
index 9a93cd00fd..3b4e71f171 100644
--- a/packages/app-store/exchangecalendar/lib/CalendarService.ts
+++ b/packages/app-store/exchangecalendar/lib/CalendarService.ts
@@ -64,6 +64,11 @@ export default class ExchangeCalendarService implements Calendar {
     event.attendees.forEach((attendee: Person) => {
       appointment.RequiredAttendees.Add(new Attendee(attendee.email));
     });
+    if (event.team?.members) {
+      event.team.members.forEach((member: Person) => {
+        appointment.RequiredAttendees.Add(new Attendee(member.email));
+      });
+    }
     return appointment
       .Save(SendInvitationsMode.SendToAllAndSaveCopy)
       .then(() => {
@@ -95,6 +100,11 @@ export default class ExchangeCalendarService implements Calendar {
     event.attendees.forEach((attendee: Person) => {
       appointment.RequiredAttendees.Add(new Attendee(attendee.email));
     });
+    if (event.team?.members) {
+      event.team.members.forEach((member) => {
+        appointment.RequiredAttendees.Add(new Attendee(member.email));
+      });
+    }
     return appointment
       .Update(
         ConflictResolutionMode.AlwaysOverwrite,
diff --git a/packages/app-store/googlecalendar/lib/CalendarService.ts b/packages/app-store/googlecalendar/lib/CalendarService.ts
index 509d45cb12..eca4c63a00 100644
--- a/packages/app-store/googlecalendar/lib/CalendarService.ts
+++ b/packages/app-store/googlecalendar/lib/CalendarService.ts
@@ -177,6 +177,12 @@ export default class GoogleCalendarService implements Calendar {
         ...rest,
         responseStatus: "accepted",
       }));
+      const teamMembers =
+        event.team?.members.map((m) => ({
+          email: m.email,
+          displayName: m.name,
+          responseStatus: "accepted",
+        })) || [];
       const payload: calendar_v3.Schema$Event = {
         summary: event.title,
         description: getRichDescription(event),
@@ -197,6 +203,7 @@ export default class GoogleCalendarService implements Calendar {
           },
           // eslint-disable-next-line
           ...eventAttendees,
+          ...teamMembers,
         ],
         reminders: {
           useDefault: true,
diff --git a/packages/app-store/larkcalendar/lib/CalendarService.ts b/packages/app-store/larkcalendar/lib/CalendarService.ts
index e9ba925c24..61774563e1 100644
--- a/packages/app-store/larkcalendar/lib/CalendarService.ts
+++ b/packages/app-store/larkcalendar/lib/CalendarService.ts
@@ -377,16 +377,25 @@ export default class LarkCalendarService implements Calendar {
   };
 
   private translateAttendees = (event: CalendarEvent): LarkEventAttendee[] => {
-    const attendees: LarkEventAttendee[] = event.attendees
+    const attendeeArray: LarkEventAttendee[] = [];
+    event.attendees
       .filter((att) => att.email)
-      .map((att) => {
+      .forEach((att) => {
         const attendee: LarkEventAttendee = {
           type: "third_party",
           is_optional: false,
           third_party_email: att.email,
         };
-        return attendee;
+        attendeeArray.push(attendee);
       });
-    return attendees;
+    event.team?.members.forEach((member) => {
+      const attendee: LarkEventAttendee = {
+        type: "third_party",
+        is_optional: false,
+        third_party_email: member.email,
+      };
+      attendeeArray.push(attendee);
+    });
+    return attendeeArray;
   };
 }
diff --git a/packages/app-store/office365calendar/lib/CalendarService.ts b/packages/app-store/office365calendar/lib/CalendarService.ts
index 64dd723048..14bcdb8c6e 100644
--- a/packages/app-store/office365calendar/lib/CalendarService.ts
+++ b/packages/app-store/office365calendar/lib/CalendarService.ts
@@ -267,13 +267,24 @@ export default class Office365CalendarService implements Calendar {
         dateTime: dayjs(event.endTime).tz(event.organizer.timeZone).format("YYYY-MM-DDTHH:mm:ss"),
         timeZone: event.organizer.timeZone,
       },
-      attendees: event.attendees.map((attendee) => ({
-        emailAddress: {
-          address: attendee.email,
-          name: attendee.name,
-        },
-        type: "required",
-      })),
+      attendees: [
+        ...event.attendees.map((attendee) => ({
+          emailAddress: {
+            address: attendee.email,
+            name: attendee.name,
+          },
+          type: "required",
+        })),
+        ...(event.team?.members
+          ? event.team?.members.map((member) => ({
+              emailAddress: {
+                address: member.email,
+                name: member.name,
+              },
+              type: "required",
+            }))
+          : []),
+      ],
       location: event.location ? { displayName: getLocation(event) } : undefined,
     };
   };
diff --git a/packages/lib/CalendarService.ts b/packages/lib/CalendarService.ts
index 9d1a8316b6..222a4f511a 100644
--- a/packages/lib/CalendarService.ts
+++ b/packages/lib/CalendarService.ts
@@ -118,7 +118,10 @@ export default abstract class BaseCalendarService implements Calendar {
         description: getRichDescription(event),
         location: getLocation(event),
         organizer: { email: event.organizer.email, name: event.organizer.name },
-        attendees: getAttendees(event.attendees),
+        attendees: [
+          ...getAttendees(event.attendees),
+          ...(event.team?.members ? getAttendees(event.team.members) : []),
+        ],
         /** according to https://datatracker.ietf.org/doc/html/rfc2446#section-3.2.1, in a published iCalendar component.
          * "Attendees" MUST NOT be present
          * `attendees: this.getAttendees(event.attendees),`
@@ -189,7 +192,10 @@ export default abstract class BaseCalendarService implements Calendar {
         description: getRichDescription(event),
         location: getLocation(event),
         organizer: { email: event.organizer.email, name: event.organizer.name },
-        attendees: getAttendees(event.attendees),
+        attendees: [
+          ...getAttendees(event.attendees),
+          ...(event.team?.members ? getAttendees(event.team.members) : []),
+        ],
       });
 
       if (error) {