diff --git a/apps/OpenSign/src/components/fields/DropboxChoose.js b/apps/OpenSign/src/components/fields/DropboxChoose.js
new file mode 100644
index 000000000..0eb00adcf
--- /dev/null
+++ b/apps/OpenSign/src/components/fields/DropboxChoose.js
@@ -0,0 +1,59 @@
+import React, { useCallback, useMemo } from "react";
+import { useDropScript } from "../../hook/useScript";
+
+const DROPBOX_APP_KEY = process.env.REACT_APP_DROPBOX_API_KEY; // App key
+const DROPBOX_SDK_URL = "https://www.dropbox.com/static/api/2/dropins.js";
+const DROPBOX_SCRIPT_ID = "dropboxjs";
+
+export default function DropboxChooser({ children, onSuccess, onCancel }) {
+  useDropScript(DROPBOX_SDK_URL, {
+    attrs: {
+      id: DROPBOX_SCRIPT_ID,
+      "data-app-key": DROPBOX_APP_KEY
+    }
+  });
+
+  const options = useMemo(
+    () => ({
+      // Required. Called when a user selects an item in the Chooser.
+      success: (files) => {
+        // console.log("success", files);
+        onSuccess && onSuccess(files);
+      },
+      // Optional. Called when the user closes the dialog without selecting a file
+      // and does not include any parameters.
+      cancel: () => {
+        console.log("cancel");
+        onCancel && onCancel();
+      },
+
+      // Optional. "preview" (default) is a preview link to the document for sharing,
+      // "direct" is an expiring link to download the contents of the file. For more
+      linkType: "direct", // or "preview"
+      multiselect: false, // 是否支持多选
+      extensions: [".pdf"],
+
+      // Optional. A value of false (default) limits selection to files,
+      // while true allows the user to select both folders and files.
+      // You cannot specify `linkType: "direct"` when using `folderselect: true`.
+      folderselect: false // or true
+    }),
+    [onSuccess, onCancel]
+  );
+
+  const handleChoose = useCallback(() => {
+    if (window.Dropbox) {
+      window.Dropbox.choose(options);
+    }
+  }, [options]);
+
+  return (
+    <div onClick={handleChoose}>
+      {children || (
+        <button className="px-2 py-2 rounded border-[1px] text-blue-400 border-gray-300 w-full">
+          <i className="fa-brands fa-dropbox"></i> Choose from Dropbox
+        </button>
+      )}
+    </div>
+  );
+}
diff --git a/apps/OpenSign/src/components/fields/FileUpload.js b/apps/OpenSign/src/components/fields/FileUpload.js
index 226640d44..7902d7a71 100644
--- a/apps/OpenSign/src/components/fields/FileUpload.js
+++ b/apps/OpenSign/src/components/fields/FileUpload.js
@@ -2,7 +2,7 @@ import React, { useState, useEffect } from "react";
 import { SaveFileSize } from "../../constant/saveFileSize";
 import Parse from "parse";
 import sanitizeFileName from "../../primitives/sanitizeFileName";
-
+import DropboxChooser from "./DropboxChoose";
 const FileUpload = (props) => {
   const [parseBaseUrl] = useState(localStorage.getItem("baseUrl"));
   const [parseAppId] = useState(localStorage.getItem("parseAppId"));
@@ -106,6 +106,56 @@ const FileUpload = (props) => {
       console.error("Error uploading file:", error);
     }
   };
+
+  const dropboxSuccess = async (files) => {
+    // console.log("file ", files);
+    setfileload(true);
+    const file = files[0];
+    const url = file.link;
+    const size = file.bytes;
+    const mb = Math.round(file.bytes / Math.pow(1024, 2));
+
+    if (mb > 10) {
+      setTimeout(() => {
+        alert(
+          `The selected file size is too large. Please select a file less than 10 MB`
+        );
+      }, 500);
+      return;
+    } else {
+      const name = sanitizeFileName(file.name);
+
+      const parseFile = new Parse.File(name, { uri: url });
+
+      try {
+        const response = await parseFile.save({
+          progress: (progressValue, loaded, total, { type }) => {
+            if (type === "upload" && progressValue !== null) {
+              const percentCompleted = Math.round((loaded * 100) / total);
+              // console.log("percentCompleted ", percentCompleted);
+              setpercentage(percentCompleted);
+            }
+          }
+        });
+        // console.log("response.url() ", response.url());
+        setFileUpload(response.url());
+        props.onChange(response.url());
+        setfileload(false);
+
+        if (response.url()) {
+          SaveFileSize(size, response.url());
+          return response.url();
+        }
+      } catch (error) {
+        setfileload(false);
+        setpercentage(0);
+        console.error("Error uploading file:", error);
+      }
+    }
+  };
+  const dropboxCancel = async () => {
+    console.log("cancel clicked ");
+  };
   let fileView =
     props.formData &&
     props.schema.uploadtype === "s3viajw" ? null : props.formData &&
@@ -258,6 +308,7 @@ const FileUpload = (props) => {
           />
         )}
       </>
+      <DropboxChooser onSuccess={dropboxSuccess} onCancel={dropboxCancel} />
     </React.Fragment>
   );
 };
diff --git a/apps/OpenSign/src/hook/useScript.js b/apps/OpenSign/src/hook/useScript.js
index cb39649f7..354ad1fe1 100644
--- a/apps/OpenSign/src/hook/useScript.js
+++ b/apps/OpenSign/src/hook/useScript.js
@@ -15,3 +15,20 @@ export const useScript = (url, onload) => {
     };
   }, [url, onload]);
 };
+
+/**`useScript` hook is generated scripte for google sign in button */
+export const useDropScript = (url, onload) => {
+  useEffect(() => {
+    const script = document.createElement("script");
+    //add url parameter to the script src, for load and it will remove after load in return
+    script.src = url;
+    script.async = true;
+    script.defer = true;
+    script.id = "dropboxjs";
+    script.setAttribute("data-app-key", "8k0thg9r1t7asqg");
+    document.head.appendChild(script);
+    return () => {
+      document.head.removeChild(script);
+    };
+  }, [url, onload]);
+};
diff --git a/apps/OpenSign/src/json/FormJson.js b/apps/OpenSign/src/json/FormJson.js
index bf67053a9..7e13e480b 100644
--- a/apps/OpenSign/src/json/FormJson.js
+++ b/apps/OpenSign/src/json/FormJson.js
@@ -14,7 +14,7 @@ export const formJson = (id) => {
             type: "string",
             title: "Select Document",
             filetypes: [],
-            maxfilesizeKB: "5000",
+            maxfilesizeKB: "10000",
             uploadtype: "regular",
             helpbody: "",
             helplink: ""