diff --git a/application/api/user/routes.py b/application/api/user/routes.py
index 2ead8ef1..c1ca7f76 100644
--- a/application/api/user/routes.py
+++ b/application/api/user/routes.py
@@ -340,6 +340,7 @@ class UploadFile(Resource):
                         ".epub",
                         ".html",
                         ".mdx",
+                        ".xlsx",
                     ],
                     job_name,
                     final_filename,
diff --git a/frontend/src/locale/en.json b/frontend/src/locale/en.json
index cefb99b7..53328815 100644
--- a/frontend/src/locale/en.json
+++ b/frontend/src/locale/en.json
@@ -86,7 +86,7 @@
       "start": "Start Chatting",
       "name": "Name",
       "choose": "Choose Files",
-      "info": "Please upload .pdf, .txt, .rst, .csv, .xlsx, .docx, .md, .zip limited to 25mb",
+      "info": "Please upload .pdf, .txt, .rst, .csv, .xlsx, .docx, .md, .html, .epub, .zip limited to 25mb",
       "uploadedFiles": "Uploaded Files",
       "cancel": "Cancel",
       "train": "Train",
diff --git a/frontend/src/locale/es.json b/frontend/src/locale/es.json
index 66b457e8..ab547fef 100644
--- a/frontend/src/locale/es.json
+++ b/frontend/src/locale/es.json
@@ -86,7 +86,7 @@
       "start": "Empezar a chatear",
       "name": "Nombre",
       "choose": "Seleccionar Archivos",
-      "info": "Por favor, suba archivos .pdf, .txt, .rst, .docx, .md, .zip limitados a 25 MB",
+      "info": "Por favor, suba archivos .pdf, .txt, .rst, .csv, .xlsx, .docx, .md, .html, .epub, .zip limitados a 25 MB",
       "uploadedFiles": "Archivos Subidos",
       "cancel": "Cancelar",
       "train": "Entrenar",
diff --git a/frontend/src/locale/zh.json b/frontend/src/locale/zh.json
index 0d60a701..6994f179 100644
--- a/frontend/src/locale/zh.json
+++ b/frontend/src/locale/zh.json
@@ -86,7 +86,7 @@
       "start": "开始聊天",
       "name": "名称",
       "choose": "选择文件",
-      "info": "请上传 .pdf, .txt, .rst, .docx, .md, .zip 文件，限 25MB",
+      "info": "请上传 .pdf, .txt, .rst, .csv, .xlsx, .docx, .md, .html, .epub, .zip 文件，限 25MB",
       "uploadedFiles": "已上传文件",
       "cancel": "取消",
       "train": "训练",
diff --git a/frontend/src/upload/Upload.tsx b/frontend/src/upload/Upload.tsx
index 37a1fc0c..07cf9ea4 100644
--- a/frontend/src/upload/Upload.tsx
+++ b/frontend/src/upload/Upload.tsx
@@ -315,6 +315,8 @@ function Upload({
       'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
         ['.docx'],
       'text/csv': ['.csv'],
+      'text/html': ['.html'],
+      'application/epub+zip': ['.epub'],
       'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': [
         '.xlsx',
       ],