diff --git a/docs/tutorials/AddRemark.md b/docs/tutorials/AddRemark.md
index d98f38982e7..5e43b61be16 100644
--- a/docs/tutorials/AddRemark.md
+++ b/docs/tutorials/AddRemark.md
@@ -293,7 +293,7 @@ While the changes to code may be minimal, the test data will have to be updated
 
 <div markdown="span" class="alert alert-warning">
 
-:exclamation: You must delete AddressBook’s storage file located at `/data/addressbook.json` before running it! Not doing so will cause AddressBook to default to an empty address book!
+:exclamation: You must delete AddressBook’s storage file located at `/data/outbook.json` before running it! Not doing so will cause AddressBook to default to an empty address book!
 
 </div>
 
diff --git a/src/main/java/seedu/address/model/UserPrefs.java b/src/main/java/seedu/address/model/UserPrefs.java
index 6be655fb4c7..4f527db54f9 100644
--- a/src/main/java/seedu/address/model/UserPrefs.java
+++ b/src/main/java/seedu/address/model/UserPrefs.java
@@ -14,7 +14,7 @@
 public class UserPrefs implements ReadOnlyUserPrefs {
 
     private GuiSettings guiSettings = new GuiSettings();
-    private Path addressBookFilePath = Paths.get("data" , "addressbook.json");
+    private Path addressBookFilePath = Paths.get("data" , "outbook.json");
 
     /**
      * Creates a {@code UserPrefs} with default values.
diff --git a/src/main/java/seedu/address/storage/JsonSerializableAddressBook.java b/src/main/java/seedu/address/storage/JsonSerializableAddressBook.java
index 1de712a9e7a..4666a0ffe32 100644
--- a/src/main/java/seedu/address/storage/JsonSerializableAddressBook.java
+++ b/src/main/java/seedu/address/storage/JsonSerializableAddressBook.java
@@ -19,7 +19,7 @@
 /**
  * An Immutable AddressBook that is serializable to JSON format.
  */
-@JsonRootName(value = "addressbook")
+@JsonRootName(value = "outbook")
 class JsonSerializableAddressBook {
 
     public static final String MESSAGE_DUPLICATE_PERSON = "Persons list contains duplicate person(s).";
diff --git a/src/test/data/JsonUserPrefsStorageTest/ExtraValuesUserPref.json b/src/test/data/JsonUserPrefsStorageTest/ExtraValuesUserPref.json
index 1037548a9cd..94eaa99a144 100644
--- a/src/test/data/JsonUserPrefsStorageTest/ExtraValuesUserPref.json
+++ b/src/test/data/JsonUserPrefsStorageTest/ExtraValuesUserPref.json
@@ -9,5 +9,5 @@
       "z" : 99
     }
   },
-  "addressBookFilePath" : "addressbook.json"
+  "addressBookFilePath" : "outbook.json"
 }
diff --git a/src/test/data/JsonUserPrefsStorageTest/TypicalUserPref.json b/src/test/data/JsonUserPrefsStorageTest/TypicalUserPref.json
index b819bed900a..8a5d7ccb643 100644
--- a/src/test/data/JsonUserPrefsStorageTest/TypicalUserPref.json
+++ b/src/test/data/JsonUserPrefsStorageTest/TypicalUserPref.json
@@ -7,5 +7,5 @@
       "y" : 100
     }
   },
-  "addressBookFilePath" : "addressbook.json"
+  "addressBookFilePath" : "outbook.json"
 }
diff --git a/src/test/java/seedu/address/logic/LogicManagerTest.java b/src/test/java/seedu/address/logic/LogicManagerTest.java
index b4dd6db44f2..32633f3cd63 100644
--- a/src/test/java/seedu/address/logic/LogicManagerTest.java
+++ b/src/test/java/seedu/address/logic/LogicManagerTest.java
@@ -47,7 +47,7 @@ public class LogicManagerTest {
     @BeforeEach
     public void setUp() {
         JsonAddressBookStorage addressBookStorage =
-                new JsonAddressBookStorage(temporaryFolder.resolve("addressBook.json"));
+                new JsonAddressBookStorage(temporaryFolder.resolve("outbook.json"));
         JsonUserPrefsStorage userPrefsStorage = new JsonUserPrefsStorage(temporaryFolder.resolve("userPrefs.json"));
         StorageManager storage = new StorageManager(addressBookStorage, userPrefsStorage);
         logic = new LogicManager(model, storage);
diff --git a/src/test/java/seedu/address/storage/JsonUserPrefsStorageTest.java b/src/test/java/seedu/address/storage/JsonUserPrefsStorageTest.java
index ed0a413526a..af150a91452 100644
--- a/src/test/java/seedu/address/storage/JsonUserPrefsStorageTest.java
+++ b/src/test/java/seedu/address/storage/JsonUserPrefsStorageTest.java
@@ -73,7 +73,7 @@ public void readUserPrefs_extraValuesInFile_extraValuesIgnored() throws DataLoad
     private UserPrefs getTypicalUserPrefs() {
         UserPrefs userPrefs = new UserPrefs();
         userPrefs.setGuiSettings(new GuiSettings(1000, 500, 300, 100));
-        userPrefs.setAddressBookFilePath(Paths.get("addressbook.json"));
+        userPrefs.setAddressBookFilePath(Paths.get("outbook.json"));
         return userPrefs;
     }