diff --git a/cypress/utils/room-utils.ts b/cypress/utils/room-utils.ts
index 2a06de8c2..73eda5ffa 100644
--- a/cypress/utils/room-utils.ts
+++ b/cypress/utils/room-utils.ts
@@ -1,15 +1,15 @@
 import Chainable = Cypress.Chainable;
-import TchapCreateRoom from "../../src/tchap/lib/createTchapRoom";
-import { TchapRoomType } from "../../src/tchap/@types/tchap";
+import TchapCreateRoom from "../../src/lib/createTchapRoom";
+import { TchapRoomType } from "../../src/@types/tchap";
 export default class RoomUtils {
     public static createPublicRoom(roomName: string): Chainable<string> {
-        return cy.createRoom(TchapCreateRoom.roomCreateOptions(roomName, TchapRoomType.Forum).createOpts);
+        return cy.createRoom(TchapCreateRoom.roomCreateOptions(roomName, TchapRoomType.Forum, false).createOpts);
     }
     public static createPrivateRoom(roomName: string): Chainable<string> {
-        return cy.createRoom(TchapCreateRoom.roomCreateOptions(roomName, TchapRoomType.Private).createOpts);
+        return cy.createRoom(TchapCreateRoom.roomCreateOptions(roomName, TchapRoomType.Private, false).createOpts);
     }
     public static createPrivateWithExternalRoom(roomName: string): Chainable<string> {
-        return cy.createRoom(TchapCreateRoom.roomCreateOptions(roomName, TchapRoomType.External).createOpts);
+        return cy.createRoom(TchapCreateRoom.roomCreateOptions(roomName, TchapRoomType.External, false).createOpts);
     }
     public static openRoomAccessSettings(roomName: string): Chainable<JQuery<HTMLElement>> {
         //open room
diff --git a/patches/add-tab-to-download-csv-file-of-the-list-of-users-in-a-room/matrix-react-sdk+3.71.1.patch b/patches/add-tab-to-download-csv-file-of-the-list-of-users-in-a-room/matrix-react-sdk+3.71.1.patch
new file mode 100644
index 000000000..7faf28974
--- /dev/null
+++ b/patches/add-tab-to-download-csv-file-of-the-list-of-users-in-a-room/matrix-react-sdk+3.71.1.patch
@@ -0,0 +1,91 @@
+diff --git a/node_modules/matrix-react-sdk/src/components/views/right_panel/RoomSummaryCard.tsx b/node_modules/matrix-react-sdk/src/components/views/right_panel/RoomSummaryCard.tsx
+index a32d8da..45b1307 100644
+--- a/node_modules/matrix-react-sdk/src/components/views/right_panel/RoomSummaryCard.tsx
++++ b/node_modules/matrix-react-sdk/src/components/views/right_panel/RoomSummaryCard.tsx
+@@ -17,7 +17,14 @@ limitations under the License.
+ import React, { useCallback, useContext, useEffect, useMemo, useState } from "react";
+ import classNames from "classnames";
+ import { Room } from "matrix-js-sdk/src/models/room";
+-
++import { keys } from "lodash"; /* :TCHAP: */
++
++// src/components/views/right_panel/RoomSummaryCard.tsx
++// src/components/views/elements/Tooltip.tsx
++import Tooltip, { Alignment } from "../elements/Tooltip"; /* :TCHAP: */
++import { useTimeoutToggle } from "../../../hooks/useTimeoutToggle"; /* :TCHAP: */
++import { generateAndDownloadTextFile } from "../../../../../../src/tchap/util/TchapExportFiles"; /* :TCHAP: */
++import { useRoomContext } from "../../../contexts/RoomContext";
+ import MatrixClientContext from "../../../contexts/MatrixClientContext";
+ import { useIsEncrypted } from "../../../hooks/useIsEncrypted";
+ import BaseCard, { Group } from "./BaseCard";
+@@ -274,6 +281,7 @@ const onRoomSettingsClick = (ev: ButtonEvent): void => {
+ 
+ const RoomSummaryCard: React.FC<IProps> = ({ room, permalinkCreator, onClose }) => {
+     const cli = useContext(MatrixClientContext);
++    const context = useRoomContext();
+ 
+     const onShareRoomClick = (): void => {
+         Modal.createDialog(ShareDialog, {
+@@ -287,6 +295,20 @@ const RoomSummaryCard: React.FC<IProps> = ({ room, permalinkCreator, onClose })
+         });
+     };
+ 
++    /* :TCHAP:
++        add a tab to download the list of users in current room
++        so that they can create new rooms with the same users
++    */ 
++    const onRoomExportMemberEmailsClick = async (): Promise<void> => {
++        const members = keys(context?.room?.currentState?.members);
++        generateAndDownloadTextFile({
++            fileName: "members",
++            format: "txt",
++            content: members.join(",")
++        });
++    }
++    /* end :TCHAP: */ 
++    
+     const onRoomPollHistoryClick = (): void => {
+         Modal.createDialog(PollHistoryDialog, {
+             room,
+@@ -295,6 +317,7 @@ const RoomSummaryCard: React.FC<IProps> = ({ room, permalinkCreator, onClose })
+         });
+     };
+ 
++
+     const isRoomEncrypted = useIsEncrypted(cli, room);
+     const roomContext = useContext(RoomContext);
+     const e2eStatus = roomContext.e2eStatus;
+@@ -328,6 +351,11 @@ const RoomSummaryCard: React.FC<IProps> = ({ room, permalinkCreator, onClose })
+     const memberCount = useRoomMemberCount(room);
+     const pinningEnabled = useFeatureEnabled("feature_pinning");
+     const pinCount = usePinnedEvents(pinningEnabled ? room : undefined)?.length;
++    /* :TCHAP: add tooltip for export room member list button */
++    const [exportRoomMembersYooltipVisible, setExportRoomMembersYooltipVisible] = useState(false);
++    const onExportRoomMembersEnter = () => setExportRoomMembersYooltipVisible(true);
++    const onExportRoomMembersLeave = () => setExportRoomMembersYooltipVisible(false);
++    /* end :TCHAP: */
+ 
+     return (
+         <BaseCard header={header} className="mx_RoomSummaryCard" onClose={onClose}>
+@@ -357,6 +385,21 @@ const RoomSummaryCard: React.FC<IProps> = ({ room, permalinkCreator, onClose })
+                         {_t("Export chat")}
+                     </Button>
+                 )}
++                {/* :TCHAP: */ !isVideoRoom && (
++                    <Button
++                        className="mx_RoomSummaryCard_icon_export"
++                        onClick={onRoomExportMemberEmailsClick}
++                        onMouseEnter={onExportRoomMembersEnter}
++                        onMouseLeave={onExportRoomMembersLeave}
++                    >
++                        {_t("Export room members (txt)")}
++                        <Tooltip
++                            label={_t("By exporting the members of the room, you obtain the identifiers of the participants that you can copy/paste to invite them into another room.")}
++                            alignment={Alignment.Top}
++                            visible={exportRoomMembersYooltipVisible}
++                        />
++                    </Button>
++                ) /* end :TCHAP */}
+                 <Button
+                     data-testid="shareRoomButton"
+                     className="mx_RoomSummaryCard_icon_share"
diff --git a/patches/patches.json b/patches/patches.json
index 8696c777f..d64807d64 100644
--- a/patches/patches.json
+++ b/patches/patches.json
@@ -211,5 +211,12 @@
         "files": [
             "src/stores/RoomViewStore.tsx"
         ]
+    },
+    "add-tab-to-download-csv-file-of-the-list-of-users-in-a-room": {
+        "github-issue": "https://github.com/tchapgouv/tchap-web-v4/issues/593",
+        "package": "matrix-react-sdk",
+        "files": [
+            "src/components/views/right_panel/RoomSummaryCard.tsx"
+        ]
     }
 }
\ No newline at end of file
diff --git a/src/tchap/i18n/strings/tchap_translations.json b/src/tchap/i18n/strings/tchap_translations.json
index f88b7779f..c97dc9dda 100644
--- a/src/tchap/i18n/strings/tchap_translations.json
+++ b/src/tchap/i18n/strings/tchap_translations.json
@@ -935,6 +935,15 @@
     "fr": "Veuillez ne continuer que si vous êtes certain d’avoir perdu tous vos autres appareils et votre Code de Récupération.",
     "en": "Please only proceed if you're sure you've lost all of your other devices and your Recovery Code."
   },
+  "Export room members (txt)": {
+    "fr": "Exporter les membres du salon (txt)",
+    "en": "Export room members (txt)"
+  },
+  "By exporting the members of the room, you obtain the identifiers of the participants that you can copy/paste to invite them into another room.": {
+    "fr": "En exportant les membres du salon, vous obtenez les identifiants des participants que vous pourrez copier/coller pour les inviter dans un autre salon.",
+    "en": "By exporting the members of the room, you obtain the identifiers of the participants that you can copy/paste to invite them into another room."
+  },
+    
   "Destroy cross-signing keys?": {
     "fr": "Réinitialiser les clés de signature croisée ?",
     "en": "Reset cross-signing keys?"
diff --git a/src/tchap/util/TchapExportFiles.ts b/src/tchap/util/TchapExportFiles.ts
new file mode 100644
index 000000000..df0d3f7f6
--- /dev/null
+++ b/src/tchap/util/TchapExportFiles.ts
@@ -0,0 +1,22 @@
+export const generateAndDownloadTextFile = ({
+    fileName,
+    format,
+    content
+}: {
+    fileName: string,
+    format: "csv" | "txt",
+    content: string
+}) => {
+    const formats = {
+        csv: "csv",
+        txt: "plain",
+    };
+    const contentToSend = `data:text/${formats[format]};charset=utf-8,${content}`;
+    const encodedUri = encodeURI(contentToSend);
+    const link = document.createElement("a");
+
+    link.setAttribute("href", encodedUri);
+    link.setAttribute("download", `${fileName}.${format}`);
+    document.body.appendChild(link); // Required for firefox
+    link.click(); // download the data file named "emails.csv".
+}