diff --git a/src/front/Components/DesignSystem/DragAndDrop/index.tsx b/src/front/Components/DesignSystem/DragAndDrop/index.tsx
index bc2a8021..a73ab98f 100644
--- a/src/front/Components/DesignSystem/DragAndDrop/index.tsx
+++ b/src/front/Components/DesignSystem/DragAndDrop/index.tsx
@@ -77,6 +77,10 @@ const mimeTypesAccepted: { [key: string]: IMimeTypes } = {
 		extension: "txt",
 		size: 104857600, // 100MB
 	},
+	"application/json": {
+		extension: "json",
+		size: 104857600, // 100MB
+	},
 };
 
 type IDocumentFileBase = {
diff --git a/src/front/Components/Layouts/Login/StepImportProfile/index.tsx b/src/front/Components/Layouts/Login/StepImportProfile/index.tsx
index 44ddfeb0..35d1e545 100644
--- a/src/front/Components/Layouts/Login/StepImportProfile/index.tsx
+++ b/src/front/Components/Layouts/Login/StepImportProfile/index.tsx
@@ -13,7 +13,6 @@ type IProps = {
 
 export default function StepImportProfile(props: IProps) {
 	const { onSubmit, onBack, validationErrors } = props;
-	const [importedFile, setImportedFile] = useState<File | null>(null);
 	const [profileData, setProfileData] = useState<any>(null);
 	const [error, setError] = useState<string>("");
 
@@ -22,44 +21,32 @@ export default function StepImportProfile(props: IProps) {
 		return data && 
 			   typeof data === "object" && 
 			   data.version && 
-			   data.userData &&
-			   typeof data.userData === "object";
+			   data.user_data &&
+			   typeof data.user_data === "object";
 	};
 
-	const handleFileUpload = useCallback(async (files: File[]) => {
+	const handleFileUpload = useCallback((files: File[]) => {
 		const file = files[0];
 		if (!file) return;
 
-		// Validate file type
-		if (file.type !== "application/json") {
-			setError("Veuillez sélectionner un fichier JSON valide.");
-			return;
-		}
-
-		// Validate file size (max 1MB)
-		if (file.size > 1024 * 1024) {
-			setError("Le fichier est trop volumineux. Taille maximum : 1MB.");
-			return;
-		}
-
-		setImportedFile(file);
 		setError("");
 
 		// Read and parse JSON
-		try {
-			const text = await file.text();
-			const data = JSON.parse(text);
-			
-			// Validate profile structure
-			if (!validateProfileStructure(data)) {
-				setError("Le fichier ne contient pas un profil valide.");
-				return;
-			}
+		file.text()
+			.then((text) => {
+				const data = JSON.parse(text);
+				
+				// Validate profile structure
+				if (!validateProfileStructure(data)) {
+					setError('Le fichier ne contient pas un profil valide.');
+					return;
+				}
 
-			setProfileData(data);
-		} catch (err) {
-			setError("Erreur lors de la lecture du fichier JSON.");
-		}
+				setProfileData(data);
+			})
+			.catch((e) => {
+				setError(`Erreur lors de la lecture du fichier JSON: ${e}`);
+			});
 	}, []);
 
 	const handleSubmit = useCallback(() => {
@@ -100,15 +87,12 @@ export default function StepImportProfile(props: IProps) {
 					<Typography typo={ETypo.TEXT_LG_SEMIBOLD} className={classes["preview-title"]}>
 						Profil détecté :
 					</Typography>
-					<Typography typo={ETypo.TEXT_MD_REGULAR}>
-						{profileData.userData?.email || "Email non disponible"}
-					</Typography>
 					<Typography typo={ETypo.TEXT_SM_REGULAR} color={ETypoColor.COLOR_NEUTRAL_600}>
 						Version : {profileData.version}
 					</Typography>
-					{profileData.exportedAt && (
+					{profileData.exported_at && (
 						<Typography typo={ETypo.TEXT_SM_REGULAR} color={ETypoColor.COLOR_NEUTRAL_600}>
-							Exporté le : {new Date(profileData.exportedAt).toLocaleDateString('fr-FR')}
+							Exporté le : {new Date(profileData.exported_at).toLocaleDateString('fr-FR')}
 						</Typography>
 					)}
 				</div>
diff --git a/src/front/Components/Layouts/Login/index.tsx b/src/front/Components/Layouts/Login/index.tsx
index 8226512b..6005e476 100644
--- a/src/front/Components/Layouts/Login/index.tsx
+++ b/src/front/Components/Layouts/Login/index.tsx
@@ -22,6 +22,8 @@ import UserStore from "@Front/Stores/UserStore";
 import AuthModal from "src/sdk/AuthModal";
 import CustomerService from "src/common/Api/LeCoffreApi/sdk/CustomerService";
 import StepImportProfile from "./StepImportProfile";
+import MessageBus from "src/sdk/MessageBus";
+import Iframe from "src/sdk/Iframe";
 
 export enum LoginStep {
 	EMAIL,
@@ -46,6 +48,7 @@ export default function Login() {
 	const [validationErrors, setValidationErrors] = useState<ValidationError[]>([]);
 	const [isAuthModalOpen, setIsAuthModalOpen] = useState(false);
 	const [isLoading, setIsLoading] = useState(false);
+	const [showIframeForImport, setShowIframeForImport] = useState(false);
 
 	// const openErrorModal = useCallback(() => {
 	// 	setIsErrorModalOpen(true);
@@ -248,26 +251,22 @@ export default function Login() {
 		try {
 			setIsLoading(true);
 			setValidationErrors([]);
+
+			// Show iframe for import operation (but hidden from view)
+			setShowIframeForImport(true);
 			
-			// Call API to validate and import profile
-			// Note: You'll need to implement this method in your Auth service
-			// const response = await Auth.getInstance().importProfile(profileData);
+			// Initialize message listener for import operation
+			MessageBus.getInstance().initMessageListener();
 			
-			// For now, we'll simulate a successful import
-			// In a real implementation, you would:
-			// 1. Send the profile data to your backend
-			// 2. Validate the profile on the server
-			// 3. Return authentication tokens
-			// 4. Connect the user
-			
-			// Simulate API call
-			await new Promise(resolve => setTimeout(resolve, 1000));
-			
-			// For demo purposes, we'll just redirect to the dashboard
-			// In reality, you'd use the response from the API
-			// CustomerStore.instance.connect(response.accessToken, response.refreshToken);
-			
-			// Redirect to dashboard
+			// Wait for the iframe to be ready
+			await MessageBus.getInstance().isReady();
+
+			await MessageBus.getInstance().importBackup(profileData);
+
+			// Clean up message listener after import
+			MessageBus.getInstance().destroyMessageListener();
+			setShowIframeForImport(false);
+
 			router.push(Module.getInstance().get().modules.pages.Folder.pages.Select.props.path);
 		} catch (error: any) {
 			setValidationErrors([
@@ -280,6 +279,7 @@ export default function Login() {
 			]);
 		} finally {
 			setIsLoading(false);
+			setShowIframeForImport(false);
 		}
 	}, [router]);
 
@@ -337,6 +337,7 @@ export default function Login() {
 					/>
 				)}
 			</div>
+			{showIframeForImport && <Iframe showIframe={false} />}
 			{/* <Confirm
 				isOpen={isErrorModalOpen}
 				onClose={closeErrorModal}
diff --git a/src/front/Components/Layouts/LoginCallback/index.tsx b/src/front/Components/Layouts/LoginCallback/index.tsx
index 9117561f..1f39a689 100644
--- a/src/front/Components/Layouts/LoginCallback/index.tsx
+++ b/src/front/Components/Layouts/LoginCallback/index.tsx
@@ -105,12 +105,7 @@ export default function LoginCallBack() {
   };
 
   useEffect(() => {
-    async function getUser() {
-      UserStore.instance.disconnect();
-
-      // TODO: review
-      // HACK: If start with http://local.lecoffreio.4nkweb:3000/authorized-client 
-      //       Replace with http://localhost:3000/authorized-client
+    UserStore.instance.disconnect().then(() => { 
       if (window.location.href.startsWith('http://local.lecoffreio.4nkweb:3000/authorized-client')) {
         window.location.href = window.location.href.replace('http://local.lecoffreio.4nkweb:3000/authorized-client', 'http://localhost:3000/authorized-client');
         return;
@@ -119,22 +114,11 @@ export default function LoginCallBack() {
       const code = router.query["code"];
       if (code) {
         try {
-          const idNotUser: any = await Auth.getInstance().getIdNotUser(code as string);
-          setIdNotUser(idNotUser);
-          setIsAuthModalOpen(true);
-          /*
-          const token: any = null;
-          if (!token) return router.push(Module.getInstance().get().modules.pages.Login.props.path);
-          await UserStore.instance.connect(token.accessToken, token.refreshToken);
-          const jwt = JwtService.getInstance().decodeJwt();
-          if (!jwt) return router.push(Module.getInstance().get().modules.pages.Login.props.path + "?error=1");
-          if (jwt.rules && !jwt.rules.includes("GET folders")) {
-            return router.push(Module.getInstance().get().modules.pages.Subscription.pages.New.props.path);
-          }
-          setIsAuthModalOpen(true);
-          //return router.push(Module.getInstance().get().modules.pages.Folder.props.path);
-          */
-          return;
+          Auth.getInstance().getIdNotUser(code as string).then((idNotUser: any) => {
+            setIdNotUser(idNotUser);
+            setIsAuthModalOpen(true);
+            return;
+          });
         } catch (e: any) {
           if (e.http_status === 401 && e.message === "Email not found") {
             return router.push(Module.getInstance().get().modules.pages.Login.props.path + "?error=3");
@@ -145,24 +129,8 @@ export default function LoginCallBack() {
           return router.push(Module.getInstance().get().modules.pages.Login.props.path + "?error=1");
         }
       }
-      /*
-      const refreshToken = CookieService.getInstance().getCookie("leCoffreRefreshToken");
-      if (!refreshToken) return router.push(Module.getInstance().get().modules.pages.Login.props.path + "?error=1");
-      const isTokenRefreshed = await JwtService.getInstance().refreshToken(refreshToken);
-      const jwt = JwtService.getInstance().decodeJwt();
-      if (!jwt) return router.push(Module.getInstance().get().modules.pages.Login.props.path + "?error=1");
-      if (!jwt.rules.includes("GET folders")) {
-        return router.push(Module.getInstance().get().modules.pages.Subscription.pages.New.props.path);
-      }
-      if (isTokenRefreshed) {
-        //setIsAuthModalOpen(true);
-        //return router.push(Module.getInstance().get().modules.pages.Folder.props.path);
-        return;
-      }
-      */
       return router.push(Module.getInstance().get().modules.pages.Login.props.path + "?error=2");
-    }
-    getUser();
+    });
   }, [router]);
 
   return (
diff --git a/src/sdk/MessageBus.ts b/src/sdk/MessageBus.ts
index 715357e6..857453cd 100644
--- a/src/sdk/MessageBus.ts
+++ b/src/sdk/MessageBus.ts
@@ -677,6 +677,37 @@ export default class MessageBus {
     });
   }
 
+  public importBackup(backupFile: any): Promise<void> {
+    return new Promise<void>((resolve: () => void, reject: (error: string) => void) => {
+      const messageId = `IMPORT_BACKUP_${uuidv4()}`;
+
+      const unsubscribe = EventBus.getInstance().on('BACKUP_IMPORTED', (responseId: string) => {
+        console.log('BACKUP_IMPORTED', responseId, messageId);
+        if (responseId !== messageId) {
+          return;
+        }
+        unsubscribe();
+        resolve();
+      });
+
+      const unsubscribeError = EventBus.getInstance().on('ERROR_BACKUP_IMPORTED', (responseId: string, error: string) => {
+        if (responseId !== messageId) {
+          return;
+        }
+        unsubscribeError();
+        reject(error);
+      });
+
+      console.log('IMPORT_BACKUP', backupFile);
+
+      this.sendMessage({
+        type: 'IMPORT_BACKUP',
+        backupFile: JSON.stringify(backupFile),
+        messageId
+      });
+    });
+  }
+
   public verifyMerkleProof(merkleProof: string, documentHash: string): Promise<boolean> {
     return new Promise<boolean>((resolve: (isValid: boolean) => void, reject: (error: string) => void) => {
       this.checkToken().then(() => {
@@ -900,6 +931,10 @@ export default class MessageBus {
         this.doHandleMessage(message.messageId, 'BACKUP_RETRIEVED', message, (message: any) => message.backupFile);
         break;
 
+      case 'BACKUP_IMPORTED': // IMPORT_BACKUP
+        this.doHandleMessage(message.messageId, 'BACKUP_IMPORTED', message, () => { });
+        break;
+
       case 'ERROR':
         console.error('Error:', message);
         this.errors[message.messageId] = message.error;