diff --git a/packages/client/src/pages/PortalSettings/categories/data-management/backup/restore-backup/sub-components/ButtonComponent.js b/packages/client/src/pages/PortalSettings/categories/data-management/backup/restore-backup/sub-components/ButtonComponent.js
index 43c547bb17..ff376a451b 100644
--- a/packages/client/src/pages/PortalSettings/categories/data-management/backup/restore-backup/sub-components/ButtonComponent.js
+++ b/packages/client/src/pages/PortalSettings/categories/data-management/backup/restore-backup/sub-components/ButtonComponent.js
@@ -8,7 +8,6 @@ import { TenantStatus } from "@docspace/common/constants";
 import { startRestore } from "@docspace/common/api/portal";
 import { combineUrl } from "@docspace/common/utils";
 import toastr from "@docspace/components/toast/toastr";
-import { request } from "@docspace/common/api/client";
 
 const ButtonContainer = (props) => {
   const {
@@ -28,29 +27,12 @@ const ButtonContainer = (props) => {
     setTenantStatus,
     isFormReady,
     getStorageParams,
+    uploadLocalFile,
   } = props;
 
   const [isUploadingLocalFile, setIsUploadingLocalFile] = useState(false);
   const [isLoading, setIsLoading] = useState(false);
 
-  const localFileUploading = async () => {
-    try {
-      const checkedFile = await request({
-        baseURL: combineUrl(window.DocSpaceConfig?.proxy?.url, config.homepage),
-        method: "post",
-        url: `/backupFileUpload.ashx`,
-        responseType: "text",
-        data: restoreResource,
-      });
-
-      return checkedFile;
-    } catch (e) {
-      toastr.error(e);
-      setIsUploadingLocalFile(false);
-      return null;
-    }
-  };
-
   const onRestoreClick = async () => {
     if (isCheckedThirdPartyStorage) {
       const requiredFieldsFilled = isFormReady();
@@ -74,7 +56,7 @@ const ButtonContainer = (props) => {
     }
 
     if (isCheckedLocalFile) {
-      const isUploadedFile = await localFileUploading();
+      const isUploadedFile = await uploadLocalFile();
 
       if (!isUploadedFile) {
         setIsLoading(false);
@@ -89,6 +71,7 @@ const ButtonContainer = (props) => {
       }
     }
 
+    return;
     try {
       await startRestore(backupId, storageType, storageParams, isNotification);
       setTenantStatus(TenantStatus.PortalRestore);
@@ -154,11 +137,13 @@ export default inject(({ auth, backup }) => {
     isFormReady,
     getStorageParams,
     restoreResource,
+    uploadLocalFile,
   } = backup;
 
   const { isRestoreAndAutoBackupAvailable } = currentQuotaStore;
   const isMaxProgress = downloadingProgress === 100;
   return {
+    uploadLocalFile,
     isMaxProgress,
     setTenantStatus,
     isEnableRestore: isRestoreAndAutoBackupAvailable,
diff --git a/packages/client/src/pages/PortalSettings/categories/data-management/backup/restore-backup/sub-components/LocalFileModule.js b/packages/client/src/pages/PortalSettings/categories/data-management/backup/restore-backup/sub-components/LocalFileModule.js
index 18d689282c..e28431797f 100644
--- a/packages/client/src/pages/PortalSettings/categories/data-management/backup/restore-backup/sub-components/LocalFileModule.js
+++ b/packages/client/src/pages/PortalSettings/categories/data-management/backup/restore-backup/sub-components/LocalFileModule.js
@@ -5,10 +5,10 @@ import FileInput from "@docspace/components/file-input";
 
 const LocalFile = ({ setRestoreResource, isEnableRestore, t }) => {
   const onClickInput = (file) => {
-    let data = new FormData();
-    data.append("file", file);
+    //let data = new FormData();
+    // data.append("file", file);
 
-    setRestoreResource(data);
+    setRestoreResource(file);
   };
 
   return (
diff --git a/packages/client/src/store/BackupStore.js b/packages/client/src/store/BackupStore.js
index 334880c489..afabc0cb48 100644
--- a/packages/client/src/store/BackupStore.js
+++ b/packages/client/src/store/BackupStore.js
@@ -8,6 +8,10 @@ import {
 import toastr from "@docspace/components/toast/toastr";
 import { AutoBackupPeriod } from "@docspace/common/constants";
 //import api from "@docspace/common/api";
+import { request } from "@docspace/common/api/client";
+import { combineUrl } from "@docspace/common/utils";
+import config from "PACKAGE_FILE";
+import { uploadBackup } from "@docspace/common/api/files";
 
 const { EveryDayType, EveryWeekType } = AutoBackupPeriod;
 
@@ -617,6 +621,69 @@ class BackupStore {
   setRestoreResource = (value) => {
     this.restoreResource = value;
   };
+
+  setChunkUploadSize = (chunkUploadSize) => {
+    this.chunkUploadSize = chunkUploadSize;
+  };
+
+  uploadFileChunks = async (requestsDataArray) => {
+    const length = requestsDataArray.length;
+
+    for (let index = 0; index < length; index++) {
+      const res = await uploadBackup(
+        combineUrl(
+          window.DocSpaceConfig?.proxy?.url,
+          config.homepage,
+          "/backupFileUpload.ashx"
+        ),
+        requestsDataArray[index]
+      );
+      console.log("=== CHUNKS res", res);
+      if (res.data.Message) return Promise.reject(res.data.Message);
+    }
+  };
+  uploadLocalFile = async () => {
+    console.log("this.restoreResource", this.restoreResource);
+
+    try {
+      const res = await uploadBackup(
+        combineUrl(
+          window.DocSpaceConfig?.proxy?.url,
+          config.homepage,
+          `/backupFileUpload.ashx?init=true&totalSize=${this.restoreResource.size}`
+        )
+      );
+
+      const chunkUploadSize = res.data.ChunkSize;
+
+      const chunks = Math.ceil(
+        this.restoreResource.size / chunkUploadSize,
+        chunkUploadSize
+      );
+
+      const requestsDataArray = [];
+
+      let chunk = 0;
+
+      while (chunk < chunks) {
+        const offset = chunk * chunkUploadSize;
+        const formData = new FormData();
+        formData.append(
+          "file",
+          this.restoreResource.slice(offset, offset + chunkUploadSize)
+        );
+
+        requestsDataArray.push(formData);
+        chunk++;
+      }
+
+      console.log("res", res, requestsDataArray, chunk);
+      await this.uploadFileChunks(requestsDataArray);
+    } catch (e) {
+      toastr.error(e);
+      return null;
+    }
+  };
 }
 
 export default BackupStore;
diff --git a/packages/common/api/files/index.js b/packages/common/api/files/index.js
index 3f0fd73251..2cdd4e147f 100644
--- a/packages/common/api/files/index.js
+++ b/packages/common/api/files/index.js
@@ -560,6 +560,10 @@ export function uploadFile(url, data) {
   return axios.post(url, data);
 }
 
+export function uploadBackup(url, data) {
+  return axios.post(url, data);
+}
+
 export function downloadFiles(fileIds, folderIds) {
   const data = { fileIds, folderIds };
   return request({ method: "put", url: "/files/fileops/bulkdownload", data });