Create Edit-or-delete-messages.md

docs/articles/new-expensify/chat/Edit-or-delete-messages.md

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+---
+title: Edit or delete messages
+description: Edit or delete chat messages you've sent
+---
+<div id="new-expensify" markdown="1">
+
+{% include info.html %}
+You can edit or delete your *own* messages only. Deleting a message cannot be undone.
+{% include end-info.html %}
+
+You have the option to edit or delete any of your messages:
+- **Edit message**: Reopens a message so you can make changes. Once a message has been updated, an “edited” label will appear next to it. 
+- **Delete message**: Removes a message or image for all viewers. 
+
+To edit or delete a message, 
+
+{% include selector.html values="desktop, mobile" %}
+
+{% include option.html value="desktop" %}
+1. Open a chat in your inbox. 
+2. Right-click a message and select **Edit comment** or **Delete comment**.
+{% include end-option.html %}
+
+{% include option.html value="mobile" %}
+1. Open a chat in your inbox. 
+2. Press and hold a message and select **Edit comment** or **Delete comment**.
+{% include end-option.html %}
+
+{% include end-selector.html %}
+
+</div>