diff --git a/__test__/components/DuplicateEvent.test.tsx b/__test__/components/DuplicateEvent.test.tsx
new file mode 100644
index 0000000..32fff1a
--- /dev/null
+++ b/__test__/components/DuplicateEvent.test.tsx
@@ -0,0 +1,176 @@
+import { fireEvent, screen } from "@testing-library/react";
+import EventDuplication from "../../src/components/Event/EventDuplicate";
+import EventDisplayModal from "../../src/features/Events/EventDisplay";
+import EventPopover from "../../src/features/Events/EventModal";
+import { renderWithProviders } from "../utils/Renderwithproviders";
+import EventPreviewModal from "../../src/features/Events/EventDisplayPreview";
+
+const day = new Date();
+const preloadedState = {
+  user: {
+    userData: {
+      sub: "test",
+      email: "test@test.com",
+      sid: "aiYbWZSk2g0F+LrQeD7Dg4QcUMR8R/zTZdZBiA7N6Ro",
+      openpaasId: "667037022b752d0026472254",
+    },
+    organiserData: {
+      cn: "test",
+      cal_address: "mailto:test@test.com",
+    },
+  },
+  calendars: {
+    list: {
+      "667037022b752d0026472254/cal1": {
+        id: "667037022b752d0026472254/cal1",
+        name: "Calendar",
+        color: "#FF0000",
+        events: {
+          event1: {
+            uid: "event1",
+            URL: "calendars/667037022b752d0026472254/cal1/event1.ics",
+            title: "Test Event",
+            calId: "667037022b752d0026472254/cal1",
+            start: day,
+            end: day,
+            timezone: "UTC",
+            organizer: { cn: "test", cal_address: "test@test.com" },
+            attendee: [
+              {
+                cn: "test",
+                cal_address: "test@test.com",
+                partstat: "NEEDS-ACTION",
+                rsvp: "TRUE",
+                role: "REQ-PARTICIPANT",
+                cutype: "INDIVIDUAL",
+              },
+              {
+                cn: "John",
+                cal_address: "john@test.com",
+                partstat: "NEEDS-ACTION",
+                rsvp: "TRUE",
+                role: "REQ-PARTICIPANT",
+                cutype: "INDIVIDUAL",
+              },
+            ],
+          },
+        },
+      },
+    },
+    pending: false,
+  },
+};
+
+describe("EventDuplication", () => {
+  it("opens EventPopover when button clicked", () => {
+    const handleClose = jest.fn();
+    renderWithProviders(
+      <EventDuplication
+        event={
+          preloadedState.calendars.list["667037022b752d0026472254/cal1"].events
+            .event1
+        }
+        onClose={handleClose}
+      />,
+      preloadedState
+    );
+
+    const button = screen.getByRole("button");
+    fireEvent.click(button);
+
+    expect(screen.getByText(/Duplicate Event/i)).toBeInTheDocument();
+  });
+
+  it("calls onClose when closing the popover", () => {
+    const handleClose = jest.fn();
+    renderWithProviders(
+      <EventDuplication
+        event={
+          preloadedState.calendars.list["667037022b752d0026472254/cal1"].events
+            .event1
+        }
+        onClose={handleClose}
+      />,
+      preloadedState
+    );
+
+    fireEvent.click(screen.getByRole("button"));
+
+    fireEvent.click(screen.getByRole("button", { name: /Cancel/i }));
+
+    expect(handleClose).toHaveBeenCalled();
+  });
+});
+
+describe("EventPopover", () => {
+  it("renders with event data", () => {
+    renderWithProviders(
+      <EventPopover
+        anchorEl={null}
+        open={true}
+        onClose={jest.fn()}
+        selectedRange={null}
+        setSelectedRange={jest.fn()}
+        calendarRef={{ current: null }}
+        event={
+          preloadedState.calendars.list["667037022b752d0026472254/cal1"].events
+            .event1
+        }
+      />,
+      preloadedState
+    );
+
+    expect(screen.getByDisplayValue(/Test Event/i)).toBeInTheDocument();
+  });
+
+  it("saves duplicated event when Save is clicked", () => {
+    const onClose = jest.fn();
+
+    renderWithProviders(
+      <EventPopover
+        anchorEl={null}
+        open={true}
+        onClose={onClose}
+        selectedRange={null}
+        setSelectedRange={jest.fn()}
+        calendarRef={{ current: null }}
+        event={
+          preloadedState.calendars.list["667037022b752d0026472254/cal1"].events
+            .event1
+        }
+      />,
+      preloadedState
+    );
+
+    fireEvent.change(screen.getByLabelText(/Title/i), {
+      target: { value: "Duplicated Event" },
+    });
+    fireEvent.click(screen.getByRole("button", { name: /Save/i }));
+
+    expect(onClose).toHaveBeenCalled();
+  });
+});
+
+describe("EventDisplayModal", () => {
+  it("shows duplication button and opens duplication form", () => {
+    renderWithProviders(
+      <EventPreviewModal
+        eventId="event1"
+        calId="667037022b752d0026472254/cal1"
+        open={true}
+        onClose={jest.fn()}
+        anchorPosition={{ top: 0, left: 0 }}
+      />,
+      preloadedState
+    );
+
+    fireEvent.click(screen.getByTestId("AddToPhotosIcon"));
+    expect(screen.getByText(/Duplicate Event/i)).toBeInTheDocument();
+    expect(
+      screen.getByDisplayValue(
+        preloadedState.calendars.list["667037022b752d0026472254/cal1"].events
+          .event1.title
+      )
+    ).toBeInTheDocument();
+  });
+});
diff --git a/__test__/features/Events/EventDisplay.test.tsx b/__test__/features/Events/EventDisplay.test.tsx
index 28ded30..0fee032 100644
--- a/__test__/features/Events/EventDisplay.test.tsx
+++ b/__test__/features/Events/EventDisplay.test.tsx
@@ -1137,13 +1137,7 @@ describe("Event Full Display", () => {
 
     const day = new Date();
     const preloadedTwoCals = {
-      user: {
-        userData: {
-          sub: "test",
-          email: "test@test.com",
-          openpaasId: "667037022b752d0026472254",
-        },
-      },
+      ...preloadedState,
       calendars: {
         list: {
           "667037022b752d0026472254/cal1": {
@@ -1210,13 +1204,7 @@ describe("Event Full Display", () => {
 
     const day = new Date();
     const preloadedRecurrence = {
-      user: {
-        userData: {
-          sub: "test",
-          email: "test@test.com",
-          openpaasId: "667037022b752d0026472254",
-        },
-      },
+      ...preloadedState,
       calendars: {
         list: {
           "667037022b752d0026472254/cal1": {
diff --git a/src/components/Event/EventDuplicate.tsx b/src/components/Event/EventDuplicate.tsx
new file mode 100644
index 0000000..9e5d453
--- /dev/null
+++ b/src/components/Event/EventDuplicate.tsx
@@ -0,0 +1,52 @@
+import { IconButton } from "@mui/material";
+import { CalendarEvent } from "../../features/Events/EventsTypes";
+import AddToPhotosIcon from "@mui/icons-material/AddToPhotos";
+import { useRef, useState } from "react";
+import EventPopover from "../../features/Events/EventModal";
+import { CalendarApi, DateSelectArg } from "@fullcalendar/core";
+
+export default function EventDuplication({
+  onClose,
+  event,
+}: {
+  onClose: Function;
+  event: CalendarEvent;
+}) {
+  const [openModal, setOpenModal] = useState(false);
+  const [selectedRange, setSelectedRange] = useState<DateSelectArg | null>({
+    start: new Date(event.start),
+    startStr: new Date(event.start).toISOString(),
+    end: new Date(event.end ?? ""),
+    endStr: new Date(event.end ?? "").toISOString(),
+    allDay: event.allday ?? false,
+  } as DateSelectArg);
+  const calendarRef = useRef<CalendarApi | null>(null);
+
+  const handleClosePopover = () => {
+    calendarRef.current?.unselect();
+    setSelectedRange(null);
+    setOpenModal(!openModal);
+    onClose({}, "backdropClick");
+  };
+  return (
+    <>
+      <IconButton
+        size="small"
+        onClick={() => {
+          setOpenModal(true);
+        }}
+      >
+        <AddToPhotosIcon fontSize="small" />
+      </IconButton>
+      <EventPopover
+        anchorEl={null}
+        open={openModal}
+        selectedRange={selectedRange}
+        setSelectedRange={setSelectedRange}
+        calendarRef={calendarRef}
+        onClose={handleClosePopover}
+        event={event}
+      />
+    </>
+  );
+}
diff --git a/src/features/Events/EventDisplayPreview.tsx b/src/features/Events/EventDisplayPreview.tsx
index a37e48c..7a58bb0 100644
--- a/src/features/Events/EventDisplayPreview.tsx
+++ b/src/features/Events/EventDisplayPreview.tsx
@@ -39,6 +39,7 @@ import EventDisplayModal, {
 } from "./EventDisplay";
 import { getEvent } from "./EventApi";
 import { CalendarEvent } from "./EventsTypes";
+import EventDuplication from "../../components/Event/EventDuplicate";
 
 export default function EventPreviewModal({
   eventId,
@@ -122,6 +123,7 @@ export default function EventPreviewModal({
               gap: 1,
             }}
           >
+            <EventDuplication event={event} onClose={onClose} />
             {mailSpaUrl && attendees.length > 0 && (
               <IconButton
                 size="small"
diff --git a/src/features/Events/EventModal.tsx b/src/features/Events/EventModal.tsx
index 94aa481..92aa3ae 100644
--- a/src/features/Events/EventModal.tsx
+++ b/src/features/Events/EventModal.tsx
@@ -33,6 +33,7 @@ function EventPopover({
   selectedRange,
   setSelectedRange,
   calendarRef,
+  event,
 }: {
   anchorEl: HTMLElement | null;
   open: boolean;
@@ -40,6 +41,7 @@ function EventPopover({
   selectedRange: DateSelectArg | null;
   setSelectedRange: Function;
   calendarRef: React.RefObject<CalendarApi | null>;
+  event?: CalendarEvent;
 }) {
   const dispatch = useAppDispatch();
 
@@ -63,20 +65,32 @@ function EventPopover({
   const timezones = TIMEZONES.aliases;
   const [showMore, setShowMore] = useState(false);
 
-  const [title, setTitle] = useState("");
-  const [description, setDescription] = useState("");
-  const [location, setLocation] = useState("");
-  const [start, setStart] = useState("");
-  const [end, setEnd] = useState("");
-  const [calendarid, setCalendarid] = useState(0);
-  const [allday, setAllDay] = useState(false);
-  const [repetition, setRepetition] = useState<RepetitionObject>(
-    {} as RepetitionObject
+  const [title, setTitle] = useState(event?.title ?? "");
+  const [description, setDescription] = useState(event?.description ?? "");
+  const [location, setLocation] = useState(event?.location ?? "");
+  const [start, setStart] = useState(
+    event?.start ? new Date(event.start).toISOString() : ""
   );
-  const [attendees, setAttendees] = useState<userAttendee[]>([]);
-  const [alarm, setAlarm] = useState("");
-  const [eventClass, setEventClass] = useState("PUBLIC");
-  const [busy, setBusy] = useState("OPAQUE");
+  const [end, setEnd] = useState(
+    event?.end ? new Date(event.end)?.toISOString() : ""
+  );
+  const [calendarid, setCalendarid] = useState(
+    event?.calId
+      ? userPersonnalCalendars.findIndex((e) => e.id === event?.calId)
+      : 0
+  );
+  const [allday, setAllDay] = useState(event?.allday ?? false);
+  const [repetition, setRepetition] = useState<RepetitionObject>(
+    event?.repetition ?? ({} as RepetitionObject)
+  );
+  const [attendees, setAttendees] = useState<userAttendee[]>(
+    event?.attendee
+      ? event.attendee.filter((a) => a.cal_address !== organizer.cal_address)
+      : []
+  );
+  const [alarm, setAlarm] = useState(event?.alarm?.trigger ?? "");
+  const [eventClass, setEventClass] = useState(event?.class ?? "PUBLIC");
+  const [busy, setBusy] = useState(event?.transp ?? "OPAQUE");
 
   const [timezone, setTimezone] = useState(
     Intl.DateTimeFormat().resolvedOptions().timeZone
@@ -157,7 +171,7 @@ function EventPopover({
       }}
     >
       <Card>
-        <CardHeader title="Create Event" />
+        <CardHeader title={event ? "Duplicate Event" : "Create Event"} />
         <CardContent
           sx={{ maxHeight: "85vh", maxWidth: "40vw", overflow: "auto" }}
         >
diff --git a/src/features/Events/EventsTypes.ts b/src/features/Events/EventsTypes.ts
index 93df014..94d1ee8 100644
--- a/src/features/Events/EventsTypes.ts
+++ b/src/features/Events/EventsTypes.ts
@@ -22,7 +22,7 @@ export interface CalendarEvent {
   status?: string;
   timezone: string;
   repetition?: RepetitionObject;
-  alarm: AlarmObject;
+  alarm?: AlarmObject;
 }
 
 export interface RepetitionObject {