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Be advised

Once a message is unsent or deleted, it cannot be restored.

Unsending a message is a feature that lets you remove a message from both your and the recipient's chat within 24 hours of sending it. In contrast, deleting a message differs from unsending in that it is a feature that only removes the message from your chat.

The differences between unsending and deleting a message are as follows.

	Unsending a message	Deleting a message
Applicable content	The following content that you sent Note: Content that was already deleted from a chat cannot be unsent.	All of the following content sent or received in the relevant chat
Applicable content	Messages, stickers, photos, videos, voice messages, URLs, contact information, location information, and files
Affected devices	All devices used by you and others in the chat (including PCs and tablets)	Only the device on which the action is performed
Result of action	The content will be removed from the chat for both you and anyone in it.	The content will be removed from the chat for you only.
Time restriction	Only within 24 hours of the content being sent Note: After 24 hours have passed, the Unsend option will no longer be shown.	At any time
Notice to other users	A message saying "(Your name) unsent a message" will appear in the chat.	No one will be notified.

See the following sections for the steps to unsend or delete messages.

Unsending messages

1. Right-click the message you sent that you want to unsend.
2. Click Unsend > Unsend.
Note: After you unsend a message, a notice will appear for everyone in the chat showing that you removed it.

[Windows/Mac] Deleting messages

1. Right-click the message you want to delete.
2. Click Delete > Delete.

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Hiding a chat refers to the feature that temporarily removes a chat from the chat list. In contrast, deleting a chat not only temporarily removes it from the chat list but also deletes its previous chat history.

Useful info

After hiding or deleting a chat, it will automatically reappear when a new message is received.

Topics covered

- Differences between hiding and deleting chats

- How chats are affected on other devices

- Methods for hiding, unhiding, and deleting chats

Differences between hiding and deleting chats:
See the following chart for the differences between hiding and deleting a chat.

	Hiding a chat	Deleting a chat
Result of action	The chat will no longer be shown on your chat list.	The chat will no longer be shown on your chat list and its previous chat history will be completely deleted.
Notice/impact to other users	None	None
Unhiding the chat's history	You can check the chat's history by unhiding the chat.	It cannot be restored because it has been deleted.
When receiving new messages	All messages, including previously shared messages, will appear.	Only new messages will appear.

How chats are affected on other devices:
Hiding a chat
If you're using multiple devices (e.g. smartphone, iPad) with the same account, how a chat appears or behaves on other devices will vary depending on which device you hid it on.

Examples of a how a chat appears and behaves:
• If you hide a chat on your PC, it will not be hidden on your smartphone or iPad.

See the following chart for details.

Device a chat was hidden on
		Smartphone	iPad	PC
What happens to a chat on:	Smartphone	-	Hidden	Not hidden
	iPad	Hidden	Hidden	Not hidden
	PC	Not hidden	Not hidden	Hidden

Deleting a chat
If you're using multiple devices (e.g. smartphone, iPad) with the same account, deleting a chat will delete it on all of your devices.

Methods for hiding, unhiding, and deleting chats:
See the following sections for the steps to hide, unhide, and delete chats.

Hiding chats

1. From the main menu, click Chats

.
2. Right-click the chat you want to hide.
3. Click Hide > Hide.

Unhiding chats

1. Click

at the bottom of the main menu > Settings > Chats.
2. Under Hidden chats, click Unhide next to the chat you want to unhide.

Deleting chats

1. From the main menu, click Chats

.
2. Right-click the chat you want to delete.
3. Click Delete > Delete.
Note: You cannot delete the Keep Memo chat.

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Hiding/deleting chats

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Unsending/deleting messages

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