diff --git a/packages/dart/npt_flutter/lib/widgets/custom_text_button.dart b/packages/dart/npt_flutter/lib/widgets/custom_text_button.dart
index dde1e5e01..8ada85d79 100644
--- a/packages/dart/npt_flutter/lib/widgets/custom_text_button.dart
+++ b/packages/dart/npt_flutter/lib/widgets/custom_text_button.dart
@@ -1,6 +1,12 @@
+import 'dart:convert';
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:at_backupkey_flutter/services/backupkey_service.dart';
 import 'package:at_contacts_flutter/services/contact_service.dart';
 import 'package:at_onboarding_flutter/at_onboarding_flutter.dart';
 import 'package:at_onboarding_flutter/at_onboarding_services.dart';
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
@@ -123,7 +129,34 @@ class CustomTextButton extends StatelessWidget {
         //   break;
         case CustomListTileType.backupYourKey:
           if (context.mounted) {
-            BackupKeyWidget(atsign: ContactService().currentAtsign).showBackupDialog(context);
+            var atsign = context.read<OnboardingCubit>().getAtSign();
+            // Build file data
+            var aesEncryptedKeys = await BackUpKeyService.getEncryptedKeys(atsign);
+            var keyString = jsonEncode(aesEncryptedKeys);
+            final List<int> codeUnits = keyString.codeUnits;
+            final Uint8List data = Uint8List.fromList(codeUnits);
+
+            // Get file path to write to
+            String? outputFile = await FilePicker.platform.saveFile(
+              dialogTitle: 'Please select a file to export to:',
+              fileName: '${atsign}_key.atKeys',
+            );
+            if (outputFile == null) return;
+            // Create and write the file
+            try {
+              var f = File(outputFile);
+              await f.create(recursive: true);
+              await f.writeAsBytes(data);
+            } catch (e) {
+              if (!context.mounted) return;
+              ScaffoldMessenger.of(context).showSnackBar(
+                SnackBar(
+                  backgroundColor: Colors.red,
+                  // TODO localize
+                  content: Text("Failed to save the atKeys file: $e"),
+                ),
+              );
+            }
           }
           break;
         case CustomListTileType.resetAtsign:
diff --git a/packages/dart/npt_flutter/pubspec.lock b/packages/dart/npt_flutter/pubspec.lock
index 63bb02684..c21c06e3a 100644
--- a/packages/dart/npt_flutter/pubspec.lock
+++ b/packages/dart/npt_flutter/pubspec.lock
@@ -72,13 +72,13 @@ packages:
     source: hosted
     version: "2.0.7"
   at_backupkey_flutter:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: at_backupkey_flutter
-      sha256: "91425f34aabec7fc37f61259af690676aae6c1776c2feac7bfea5f7ea7fc3812"
+      sha256: "674d5ebf8443e0848c86cd14e25c326e33d7fef54a2a9732c4328a138f6c4fa5"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.15"
+    version: "4.0.16"
   at_base2e15:
     dependency: transitive
     description:
diff --git a/packages/dart/npt_flutter/pubspec.yaml b/packages/dart/npt_flutter/pubspec.yaml
index 2650d2b35..0c0d6861b 100644
--- a/packages/dart/npt_flutter/pubspec.yaml
+++ b/packages/dart/npt_flutter/pubspec.yaml
@@ -30,6 +30,7 @@ environment:
 dependencies:
   adaptive_theme: ^3.6.0
   at_auth: ^2.0.7
+  at_backupkey_flutter: ^4.0.16
   at_client_mobile: ^3.2.18
   at_contact: ^3.0.8
   at_contacts_flutter: ^4.0.15