diff --git a/CSC110-Project.iml b/CSC110-Project.iml
index d3ce09f..02091c1 100644
--- a/CSC110-Project.iml
+++ b/CSC110-Project.iml
@@ -4,6 +4,7 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/data" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
diff --git a/requirements.txt b/requirements.txt
index 2db2834..6d22f1a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,9 @@ tweepy==4.4.0
 # Pytz is for timezone manipulations
 pytz~=2021.1
 
+# 7zip packing utility for packing our processed data
+py7zr==0.16.3
+
 #####################
 # Data visualization
 # Print table data
diff --git a/src/process/twitter_process.py b/src/process/twitter_process.py
index cbcc27a..aff8ab3 100644
--- a/src/process/twitter_process.py
+++ b/src/process/twitter_process.py
@@ -3,6 +3,8 @@ import random
 from dataclasses import dataclass
 from typing import NamedTuple
 
+from py7zr import py7zr, SevenZipFile
+
 from utils import *
 
 
@@ -246,3 +248,25 @@ def is_covid_related(text: str) -> bool:
     keywords += ['コロナ', '検疫']
 
     return any(k in text.lower() for k in keywords)
+
+
+def pack_data(data_dir: str = './data/') -> None:
+    """
+    This function packs processed data and raw data separately.
+
+    :param data_dir: Root directory of all data.
+    :return: None
+    """
+    data_dir = normalize_directory(data_dir)
+    packed_dir = f'{data_dir}/packed'
+    Path(packed_dir).mkdir(parents=True, exist_ok=True)
+
+    # Pack data for processed.
+    debug('Packing data...')
+    processed_dirs = ['/twitter/user/meta', '/twitter/user/processed',
+                      '/twitter/user-tweets/processed']
+    with SevenZipFile(f'{packed_dir}/processed.7z', 'w') as z:
+        z: SevenZipFile = z
+        for p in processed_dirs:
+            debug(f'- Packing {p}')
+            z.writeall(data_dir + p)